Welcome to Topwealthinfo.com. Find Free Software Licenses Right Now! Once connected to the internet, head to Windows Update > Activation. Click on the 'Activate' if required and your PC will be activated with a. How to get reason 10 for the free full crack version. Reason Key Features: Easy to use for new to expert users. Powerful music tools. Arranged and well-placed.

## This doesn't have to be the end

Reason+ is a music making service including 75+ instruments, devices and effects, weekly Sound Packs and constantly updated music making software.

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£19.99/month

Reason+ is a music making service for producers, artists and professional sound designers. You can always find fresh sounds and make them your own, using the the 75+ instruments and effects. Make music with Reason+ by plugging it into your favourite music software or by simply using ours.

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### Find fresh sounds

You can always find brand new sounds to breathe life into your musical ideas in the Reason+ Companion app. New sound packs from world class sound designers are released every week.

Every sound in Reason+ is created using combinations of our instruments and effects. You have full access to every knob and can add or remove devices to make it sound like you.

### Weekly Sound Packs

Sound Packs are like musical building blocks that just sound perfect together. Use them for a burst of inspiration and make your music come alive. Explore all the different packs available in the Reason+ Companion app. We’ve got all your favourite genres and probably some you haven’t even heard of yet

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### Legendary instruments and effects

Our 75+ instruments and effects have been used to make countless hits – and countless unique sounds. Subscribe to Reason+ and get access to them all.

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I'm always looking for sounds that will inspire a song. Reason+ is a great way to find and explore sounds that push me in new directions.

What matters with musical tools isn't what’s technically possible with them, but what they lead you to discover. That’s the genius of Reason: not only are the technical possibilities infinite, but the ecosystem makes it effortless and intuitive to stumble into inspiration. Any direction you reach in, there’s a tool that’s not just powerful, but genuinely musical.

Reason, has always defined my sound. I can proudly say this knowing how it has helped me make a living and shaped my career.

People be asking me ‘What sounds do you use?!’ and the sounds in Reason are super crisp. Beyonce, Partition. Ariana Grande, Best Mistake. Drake, All Me. All of these songs are Reason sounds.

Reason+ is the dopest way to get inspiration for a new track. Incredible synths and instrument racks!

Reason+ has immensely expanded my production and sound design palette. Reason's instruments and effects are intuitive to use but also massively flexible and powerful.

First month £1 only

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Cancel anytime

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£19.99/month

Источник: https://www.reasonstudios.com/

A funny thing happens when you look for a product key in Windows 10 after doing the free upgrade: You won’t find them.

In Windows 10, utilities like Magical Jelly Bean KeyFinder or Belarc Advisor return generic product keys instead of authentic ones. Don’t believe me? This is the key Windows 10 Pro users will see in KeyFinder or Belarc Advisor: VK7JG-NPHTM-C97JM-9MPGT-3V66T.

Let’s try this PowerShell script from the Hexus forums on Windows 10 Pro. You should get this: T44CG-JDJH7-VJ2WF-DY4X9-HCFC6. That’s the generic key for build 10240.

Not a real product key to be seen anywhere.

The reason for this is that Windows 10 changes Microsoft’s traditional product key model, and if you ask me it’s for the better.

### Entitlements, not product keys

When you use the free upgrade to Windows 10 or pay for a digital retail version, you don’t get a product key. Instead, your computer uses what Microsoft calls a digital entitlement.

“Upon upgrading to Windows 10, the activation state from a prior version of Windows (be it Windows 7, Windows 8 or a prior build of Windows 10) is seamlessly carried over,”  a Microsoft spokesperson told PCWorld. “Once activated, a digital entitlement for your PC’s hardware is created in the Windows 10 activation service.This entitlement can be used by the same PC again for re-activation of the same Edition of Windows 10 in the future.”

It looks like the product key is on its way out, at least as far as users are concerned. After installation, your version of Windows 10 should just activate in the background in a few moments or a few days at the most. You can check your activation status by going to Settings > Update & Security > Activation.

### Clean installs all the way down

Once your Windows 10 upgrade activates, you can grab a Windows 10 install image, do a clean install, skip the screen asking for product keys, and you should just re-activate again after the install is complete. I say should, because even in this brave new world without product keys I find it hard to believe there won’t be a few installation horror stories involving product activation.

That said, I can vouch from personal experience that a post-upgrade clean install of Windows 10 just works. Shortly after I installed Windows 10 on my laptop, I swapped out my old spinning hard drive for an SSD. When I was done with the installation Windows activated right away.

For longtime Windows users the absence of product keys in Windows 10 digital installs is a relief and at the same time a little worrying. Based on the long history of activation horror stories, some of you out there may be a little suspicious of this new process. Although the notion of never having to use a product key ever again sounds great.

### Well, almost…

There are still situations where you’ll run into product keys with Windows 10. If you buy a physical retail edition such as on a USB stick or DVD, you’ll still get a product key. Microsoft told us that “your activation product key stays with your PC.” We’re not clear if that means product keys work as digital entitlements, or whether you’ll be managing product keys the old fashioned way—by stashing that product key somewhere safe for later use. We’re double-checking this with Microsoft and will update this article should the company respond.

One sticking point with digital entitlements is that because it’s dependent on your hardware configuration, making a significant change can wipe out the entitlement. If you swap out your motherboard, for example, your digital entitlement will likely disappear and Windows 10 won’t activate. If that happens, you’ll have to make a call to Microsoft’s customer support line to re-activate your copy of Windows.

Keep in mind we’re talking significant hardware changes here. If you swap out your hard drive for an SSD or add more RAM, you shouldn’t see any problems.

I don’t know about you, but if I ever have to look at a product key again it’ll be too soon.

Have you heard? Windows 11 is here, and it's ready to change your life.

### First Things First: Why NOT Upgrade to Windows 11?

The good people of the internet love Microsoft, but, as with any big change in tech, many in the blogosphere have brought up their concerns:

• They worry that switching to Windows 11 will make their computer too slow.
• Lots of people avoid change when possible—a new system to learn? No thank you.
• Some use software that they fear will not run as efficiently on Windows 11; the question of compatibility with Office 2021 is one that appears to come up very often.

The last of these is probably the most common qualm that we notice. The good news is that there is nothing to fear—all of your favorite applications will run just as well on Windows 11 as they did on Windows 10. Microsoft even made sure to release Office 2021 alongside Windows 11, just to reassure those of us with trust issues.

Windows and Office are both a part of the comprehensive family of Microsoft software, with each application coexisting harmoniously with every new version of the operating system. They're built for each other, so if you're hesitant to make the upgrade for this reason, don't be. The bottom line is that upgrading to Windows 11 will not impede your work.

As we said before, it is very important to use an official ISO and install Windows 11 or upgrade to Windows 11 with a 100% original and genuine license. This is to avoid hacker attacks or data theft. That's why we recommend only reliable resellers like Mr Key Shop. We have already talked about this company in the articles about Deals on Buy Windows 10 or Deals on Buy Microsoft Office.

If you're already using Windows 10, we have more good news. Do you see that little blue dot on the Updates icon in your taskbar?

For the Windows 11 download click on it, and it'll whisk you away to your Settings—at the top, you should see an invitation to upgrade to Windows 11.

For those of you who do not see an invitation, you can access the same settings via the following file path: navigate to your Update & Security settings and click Check for Updates.

Users who have not had an invitation to upgrade to Windows 11 will usually be working with PCs that don't meet Microsoft's minimum spec recommendations.

If you're worried that your system may not be able to handle the upgrade, you can perform a PC health check before proceeding yourself. Microsoft does not recommend that those using sub-standard devices make the change, but you're free to do so if you're feeling confident in your system's ability to adapt.

### How to Install Windows 11

For those of us who skipped the last version of Windows or were die-hard Mac fanatics until very recently, you might need to buy a 100% original license for Windows 11. While Microsoft has a Windows 11 disk image available to download from its site, you'll still need to use a previous product key to unlock it.

Microsoft makes it criminally easy to buy Windows 11 through your system settings—hit Start, step into your Settings, and then choose System.

Under Activation, you'll be able to see whether or not your Windows 11 operating system is active. Just below that should be a dropdown that allows you to change your product key or upgrade to Windows 11 directly from the Microsoft Store.

If you need a Windows 11 license and Microsoft's asking price is just a little steep for you, plenty of third-party software resellers and distributors are able to offer you a secondhand license at a greatly reduced rate.

Mr Key Shop happens to be one brand that we love—you can upgrade to Windows 11 on its site or buy a standalone version of Windows 11 Home or Windows 11 Professional (Windows 11 Enterprise is also available on Mr Key Shop, but this probably isn't the version that you need).

### How to Install Windows 11 Without Windows 10

Microsoft's user guide on product activation walks you through the process of using a digital license or a product key to activate your new operating system. Once you've acquired either from any trusted source, installing Windows 11 takes no time.

And, as far as compatibility with Office goes, Office 2021 works just as well on Windows 11 as it does on Windows 10. If you are, in fact, interested in updating your entire system, Mr Shop Key has licenses for many versions of Microsoft Office available to purchase; you can grab a copy of Microsoft Office 2021 from its site as soon as you upgrade to Windows 11. We recommend you also read our article on How to Download Windows 10 Free, this can clear up any doubts about this topic.

### What Is Mr Key Shop?

Mr Key Shop's mission is to bring brand-name software to consumers of every tax bracket. It's a software reseller specializing both in the latest in tech as well as in legacy software, such as older versions of the Windows operating system and Microsoft Office.

It's a reputable service; the prices are fair, and you can do business here knowing that you're in good hands (read the reviews on Trustpilot for more info). Mr Key Shop deals primarily in software from Microsoft, but it also offers a host of antivirus software, as well.

### How Does Mr Key Shop Work?

All of the software on Mr Key Shop is legal and from the source. Every purchase is delivered digitally in an effort to reduce the company's carbon footprint (and, by extension, yours too!). because Mr Key Shop is an Eco-Friendly company.

While a lot of what you'll find here feels almost too good to be true, Mr Key Shop actually cites the exact legal precedents validating its line of business on its About Us page. The cases in question ruled that the sale of refurbished software is, indeed, valid; a person can sell a software license that they own just like they can sell an old cell phone or sofa, without the explicit permission of the original manufacturers of the products in question.

There's plenty more on this topic to read on the Mr Key Shop site; rest assured that you won't be held liable for anything that you buy here. If you're still unsure, Microsoft's How to Tell guide offers a wealth of information on the topic of fraudulent software. We recommend that you take a peek if you still have questions about making the upgrade safely.

### Buy Windows 11 on Mr Key Shop

On Mr Key Shop, you can buy and upgrade to Windows 11 Operating Systems for a great price. We love brands like this because nobody should have to go without the latest software, even if they're skipped a version or are just making the switch to PC now.

For Microsoft Office products, Windows 11, or antivirus software of every possible manifestation, we can recommend Mr Key Shop. Buy Windows 11 on offer at Mr Key Shop before the prices increase.

We hope you like the items we recommend and discuss! MUO has affiliate and sponsored partnerships, so we receive a share of the revenue from some of your purchases. This won’t affect the price you pay and helps us offer the best product recommendations.

7 Signs You Are a Seasoned Windows User

Windows has been around since 1985, making it positively ancient. Have you been there since the beginning? Here's some fun trivia about early Windows.

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Emma Garofalo (150 Articles Published)

Emma Garofalo is a writer currently based in Pittsburgh, Pennsylvania. When not toiling away at her desk in want of a better tomorrow, she can usually be found behind the camera or in the kitchen. Critically-acclaimed. Universally-despised.

More From Emma Garofalo

Did your PC suffer a catastrophic failure requiring new hardware? Have you upgraded to better components and Windows 10 just doesn’t recognize your PC? This guide shows you how to reactivate Windows 10 after a hardware change.

### What Counts As a Hardware Change?

That’s an area even Microsoft won’t fully explain. Instead, the company provides this statement on its website:

“If you make significant hardware changes on your device, such as replacing your motherboard, Windows will no longer find a license that matches your device, and you’ll need to reactivate Windows to get it up and running.”

Documents retrieved by Paul Thurrott, however, state that hard drive replacement does not fall under Microsoft’s “substantial change” label.

### Digital License for Pre-Built Systems

The big reactivation roadblock likely stems from laptops and desktops pre-built by Acer, Dell, HP, Samsung, and so on. For a long time, these OEMs printed product keys on labels stuck to the PC’s chassis.

Since the days of Windows 8, manufacturers have stored keys in the BIOS or ACPI table (via UEFI) located on the motherboard. If you need to reinstall the operating system for any reason, Windows 10 will retrieve that key during activation.

The move to onboard keys stems from piracy. Microsoft simply doesn’t want customers installing Windows on multiple computers using a single key. The company originally dubbed this one-key-per-device method “digital entitlement” but began using the term “digital license” with Windows 10 Anniversary Update. Keys now link to your Microsoft account.

That said, reactivation can be problematic if you manually replace the motherboard in a pre-built PC. The embedded key is lost, requiring a call to Microsoft to verify the hardware change.

A call to the OEM may be helpful, too, if you originally registered the product and explain the problem. However, Windows 10 for OEMs typically cannot be moved to other PCs.

### Product Keys for System Builders

System builders purchase Windows 10 “product keys” directly from retailers, including Amazon, Microsoft, Newegg, and more. They’re either printed, emailed, or stored in an online account.

Customers type these keys into a requested prompt during the Windows 10 setup process. Like OEM-based installs, these keys are tied to Microsoft accounts.

The difference here is that reactivation is less problematic given a product key isn’t embedded in the motherboard. Unfortunately, Microsoft doesn’t fully explain its “significant hardware change” term.

However, replacing a single component—such as swapping out memory sticks or upgrading a discrete GPU—typically doesn’t lock customers out of Windows 10. But a major overhaul to multiple components could make the PC unrecognizable.

The good news is that system builders can run the Windows 10 Update Troubleshooter to un-assign the product key from the previous PC configuration and reassign it to the new build. Keep in mind that the number of activations is limited.

In short, you can move this license to another PC, but not indefinitely.

In this case, customers don’t have a Windows 10 key, nor is a key embedded in the BIOS or UEFI. Instead, they can apply the same product key used to upgrade to Windows 10. Reactivation will depend on the PC: Is it a pre-built system or hand-built from scratch?

### Reactivate Windows 10 Using a Digital License

Use this guide if you’re reinstalling Windows 10 without a printed or emailed product key. If Windows 10 can retrieve your key from the motherboard, then there’s nothing else you need to do. If your PC endured a “significant hardware change” making it unrecognizable, then press on.

### If You Reinstall Windows 10 from Scratch

When you first begin reinstalling Windows 10, the setup process prompts you to enter a product key. Since this copy doesn’t have a key, click on the “I Don’t Have a Product Key” link.

Windows 10 will prompt you for the version you own (Home, Pro, etc). After that, select “Custom: Install Windows Only” in the next window. This isn’t an upgrade given you’re starting from scratch.

Follow the setup instructions until you reach the desktop.

If Windows 10 remains intact on a surviving drive, you don’t need to reinstall. Instead, load up Windows 10 and reactivate through the Settings app as explained in the following steps.

### Reactivate from Within Windows 10

First, click the Start button followed by the “gear” icon located along the Start Menu’s left edge. This opens the Settings app.

Click the “Update & Security” tile. You can also hit the “Windows Isn’t Activated. Activate Windows Now” link at the bottom of the Settings app.

Select “Activation” listed in the menu to the left. You should see a message on the right stating “Windows Can’t be Activated on Your Device” or something similar. Click the “Troubleshoot” link shown under the warning.

In the following popup, click the “I Changed Hardware on This Device Recently” link.

Enter your Microsoft account credentials and select the “Sign In” button. You’ll see a list of your devices. Select the device with the changed hardware and check the box next to “This Is the Device I’m Using Right Now.”

Select “Activate” to proceed.

### Reactivate Windows 10 Using a Product Key

Use this guide if you built a PC from scratch and purchased a copy of Windows 10. This method requires a special key—printed or emailed—to activate Windows 10.

This guide also covers devices with printed product keys stuck to the side, like an older Windows 8.1 laptop upgraded to Windows 10.

### If You Reinstall Windows 10 from Scratch

When you first begin reinstalling Windows 10, the setup process prompts you to enter a product key. Enter the code and click the “Next” button.

After that, select “Custom: Install Windows Only” in the next window. This isn’t an upgrade given you’re starting from scratch.

Follow the setup instructions until you reach the desktop.

If Windows 10 remains intact on a surviving drive, you don’t need to reinstall. Instead, load up Windows 10 and reactivate through the Settings app as explained in the following steps.

### Reactivate from Within Windows 10

First, click the Start button followed by the “gear” icon located along the Start Menu’s left edge. This opens the Settings app.

Click the “Update & Security” tile.

Select “Activation” listed in the menu to the left and then click the “Change Product Key” link on the right listed under the“Update Product Key” heading.

Enter the product key in the pop-up window and click the “Next” button.

### Reactivate Windows 10 Using Microsoft Chat Support

This isn’t the ideal solution, but if you experience issues reactivating Windows 10 using the previous two methods, you might need to contact Microsoft and explain the situation. You can message a Windows Advisor, schedule a call, or request a callback.

Microsoft’s support line is often very helpful if you’re doing something reasonable. The support staff have leeway to activate a Windows license even if it can’t be activated automatically.

Microsoft’s troubleshooters have made contacting support less necessary these days, but it was traditionally used to solve many activation problems.

Источник: https://www.howtogeek.com/444351/how-to-reactivate-windows-10-after-a-hardware-change/

Question

Issue: How to fix Windows activation error 0xC004F213?

I have been using my laptop with a digital license since the release of Windows 10 and everything worked fine up till recently. I now receive a Windows notification with the error code 0xC004F213. I tried to reinstall the operating system but that did not change anything, I still receive the error. Any help please?

Many people were happy what Microsoft offered a free upgrade[1] to Windows 10 if a valid license is already in their possession. At the release in 2015 (surprisingly, you can still upgrade free of charge even today), many users used this opportunity and took the offer. This is where a digital license from the previous operating system version is used – it is applied automatically without people having to do anything.

Unfortunately, this creates some issues, and activation error code 0xC004F213 is one of them. Users claimed that they received a notification suddenly, although, in most cases, it is a result of a hardware[2] change of the most recent Windows update. 0xC004F012 is a very similar error that users may encounter under similar circumstances.

In other cases, some said they experienced a 0xC004F213 error during the Windows upgrade process. Regardless of the circumstances, the error can also occur to those who did not use a digital license but rather a product key for Windows 10. The problem is universal, however, as in both cases, users receive a notification that reads:

Windows has reported that no product key was found on your device.
Error code: 0xC004F213

Since the message reports about the product key, many of those who used the digital license are baffled about this error, as they never used it to activate Windows but rather used the free upgrade.

However, it is important to note that a digital license describes the activation method, although it is not a license itself – it can't replace the product key entirely. Therefore, in order to fix 0xC004F213, you need to apply the key that was used to activate your original copy of Windows OS.

Some users reported that they also get additional errors when using Windows, such as Blue Screen of Death[3] crashes. If that is the case for you, it might be that Windows system files are corrupt, hence it can not correctly identify your license. ReimageMac Washing Machine X9 can repair those corrupted files for you if you want a quick solution to this problem. Otherwise, refer to the fixes below.

### Fix 1. Install all the available Windows updates

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Make sure that all updates for your operating system are applied first:

• Right-click on Start and pick Settings
• Go to Update & Security section
• Here, select Check for updates and wait
• Choose to install everything available, including cumulative, security and optional updates
• Once done, reboot your system.

### Fix 2. Run activation troubleshooter

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Built-in troubleshooters can resolve many issues, including those that relate to licensing process.

• Open Settings >Update & Security as explained above
• Select Activation from the left menu
• Below the error message, you should see several links you can click – choose Troubleshoot

• Proceed with on-screen instructions and apply the suggested fixes.

### Fix 3. Use a built-in command in Command Prompt to check your key

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

You can use the following commands to check what your activation key is (instructions for digital license).

• Type cmd in Windows search
• Right-click on Command Prompt and select Run as administrator
• When User Account Control shows up, click Yes
• Once Command Prompt opens, copy and paste the following command:

slmgr /xpr

• Press Enter.

If you are using a product key, use the following instructions instead:

• Right-click on Start and pick PowerShell (Admin)
• When the new window shows up, copy and paste the following command:

wmic path softwarelicensingservice get OA3xOriginalProductKey

• Press Enter.

With the key available, go to Settings > Updates & Security > Activation > Change Product key and enter it there.

### Fix 4. Wait

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

In some cases, Windows servers might be very busy. If you have just upgraded your operating system and the error 0xC004F213 showed up immediately, you should wait a few days in case the servers are down or busy. If that does not work, try applying other suggestions listed here.

### Fix 5. Activate Windows via the local phone support

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

If for some reason you are unable to activate Windows while you have your product key available, you can always contact your local Microsoft support branch. Here's how:

• Press Win + R, type Slui 4 and press Enter
• Select your country and click Next

• You will be provided with the local phone number – dial it
• Proceed with instructions your are provided.

ugetfix.com team is trying to do its best to help users find the best solutions for eliminating their errors. If you don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:

Reimage - a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.Reimage - a patented specialized Mac OS X repair program. It will diagnose your damaged computer. It will scan all System Files and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
To repair damaged system, you have to purchase the licensed version of Reimage malware removal tool.

Private Internet Access is a VPN that can prevent your Internet Service Provider, the government, and third-parties from tracking your online and allow you to stay completely anonymous. The software provides dedicated servers for torrenting and streaming, ensuring optimal performance and not slowing you down. You can also bypass geo-restrictions and view such services as Netflix, BBC, Disney+, and other popular streaming services without limitations, regardless of where you are.

Malware attacks, particularly ransomware, are by far the biggest danger to your pictures, videos, work, or school files. Since cybercriminals use a robust encryption algorithm to lock data, it can no longer be used until a ransom in bitcoin is paid. Instead of paying hackers, you should first try to use alternative recovery methods that could help you to retrieve at least some portion of the lost data. Otherwise, you could also lose your money, along with the files. One of the best tools that could restore at least some of the encrypted files –  Data Recovery Pro.

References

1. ^ Terry Myerson. Windows 10 Free Upgrade Available in 190 Countries Today. Microsoft. Windows Blogs.
2. ^Computer hardware. Wikipedia. The free encyclopedia.
3. ^Blue Screen of Death (BSoD). Techopedia. Professional IT insight.

Question

Issue: How to fix Windows activation error 0xC004F213?

I have been using my laptop with a digital license since the release of Windows 10 and everything worked fine up till recently. I now receive a Windows notification with the error code 0xC004F213. I tried to reinstall the operating system but that did not change anything, I still receive the error. Any simple instagram bot cracked please?

Many people were happy what Microsoft offered a free upgrade[1] to Windows 10 if a valid license is already in their possession. At the release in 2015 (surprisingly, you can still upgrade free of charge even today), many users used this opportunity and took the offer. This is where a digital license from the previous operating system version is used – it is applied automatically without people having to do anything.

Unfortunately, this creates some issues, and activation error code 0xC004F213 is one of them. Users claimed that they received a notification suddenly, although, in most cases, it is a result of a hardware[2] change of the most recent Windows update. 0xC004F012 is a very similar error that users may encounter under similar circumstances.

In other cases, some said they experienced a 0xC004F213 error during the Windows upgrade process. Regardless of the circumstances, the error can also occur to those who did not use a digital license but rather a product key for Windows 10. The problem is universal, however, as in both cases, users receive a notification that reads:

Windows has reported that no product key was found on your device.
Error code: 0xC004F213

Since the message reports about the product key, many of those who used the digital license are baffled about this error, as they never used it to activate Windows but rather used the free upgrade.

However, it is important to note that a digital license describes the activation method, although it is not a license itself – it can't replace the product key entirely. Therefore, in order to fix 0xC004F213, you need to apply the key that was used to activate your original copy of Windows OS.

Some users reported that they also get additional errors when using Windows, such as Blue Screen of Death[3] crashes. If that is the case for you, it might be that Windows system files are corrupt, hence it can not correctly identify your license. ReimageMac Washing Machine X9 can repair those corrupted files for you if you want a quick solution to this problem. Otherwise, refer to the fixes below.

### Fix 1. Install all the available Windows updates

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Make sure that all updates for your operating system are applied first:

• Right-click on Start and pick Settings
• Go to Update & Security section
• Here, select Check for updates and wait
• Choose to install everything available, including cumulative, security and optional updates
• Once done, reboot your system.

### Fix 2. Run activation troubleshooter

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Built-in troubleshooters can resolve many issues, including those that relate to licensing process.

• Open Settings >Update & Security as explained above
• Select Activation from the left menu
• Below the error message, you should see several links you can click – choose Troubleshoot

• Proceed with on-screen instructions and apply the suggested fixes.

### Fix 3. Use a built-in command in Command Prompt to check your key

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

You can use the following commands to check what your activation key is (instructions for digital license).

• Type cmd in Windows search
• Right-click on Command Prompt and select Run as administrator
• When User Account Control shows up, click Yes
• Once Command Prompt opens, copy and paste the following command:

slmgr /xpr

• Press Enter.

If you are using a product key, use the following instructions instead:

• Right-click on Start and pick PowerShell (Admin)
• When the new window shows up, copy and paste the following command:

wmic path softwarelicensingservice get OA3xOriginalProductKey

• Press Enter.

With the key available, go to Settings > Updates & Security > Activation > Change Product key and enter it there.

### Fix 4. Wait

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

In some cases, Windows servers might be very busy. If you have just upgraded your operating system and the error 0xC004F213 showed up immediately, you should wait a few days in case the servers are down or busy. If that does not work, try applying other suggestions listed here.

### Fix 5. Activate Windows via the local phone support

Fix it now!Fix it now!

To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

If for some reason you are unable to activate Windows while you have your product key available, you can always contact your local Microsoft support branch. Here's how:

• Press Win + R, type Slui 4 and press Enter
• Select your Reason 10 License - Free Activators and click Next

• You will be provided with the local phone number – dial it
• Proceed with instructions your are provided.

ugetfix.com team is trying to do its best to help users find the best solutions for eliminating their errors. If Reason 10 License - Free Activators don't want to struggle with manual repair techniques, please use the automatic software. All recommended products have been tested and approved by our professionals. Tools that you can use to fix your error are listed bellow:

Reimage - a patented specialized Windows repair program. It will diagnose your damaged PC. It will scan all System Files, DLLs and Registry Keys that have been damaged by security threats.Reimage - a patented specialized Mac OS X repair program. It will diagnose your damaged computer. It will scan all System Files and Registry Keys that have been damaged by security threats.
This patented repair process uses a database of 25 million components that can replace any damaged or missing file on user's computer.
To repair damaged system, you have to purchase the licensed version of Reimage malware removal tool.

Private Internet Access is a VPN that can prevent your Internet Service Provider, the government, and third-parties from tracking your online and allow you to stay completely anonymous. The software provides dedicated servers for torrenting and streaming, ensuring optimal performance and not slowing you down. You can also bypass geo-restrictions and view such services as Netflix, BBC, Disney+, and other popular streaming services without limitations, regardless of where you are.

Malware attacks, particularly ransomware, are by far the biggest danger to your pictures, videos, work, or school files. Since cybercriminals use a robust encryption algorithm to lock data, it can no longer be used until a ransom in bitcoin is paid. Instead of paying hackers, you should first try to use alternative recovery methods that could help you to retrieve at least some portion of the lost data. Otherwise, you could also lose your money, along with the files. One of the best tools that could restore at least some of the encrypted files –  Data Recovery Pro.

References

1. ^ Terry Myerson. Windows 10 Free Upgrade Available in 190 Countries Today. Microsoft. Windows Blogs.
2. ^Computer hardware. Wikipedia. The free encyclopedia.
3. ^Blue Screen of Death (BSoD). Techopedia. Professional IT insight.

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Every sound in Reason+ is created using combinations of our instruments and effects. You have full access to every knob and can add or remove devices to make it sound like you.

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Did your PC suffer a catastrophic failure requiring new hardware? Have you upgraded to better components and Windows 10 just doesn’t recognize your PC? This guide shows you how to reactivate Windows 10 after a hardware change.

### What Counts As a Hardware Change?

That’s an area even Microsoft won’t fully explain. Instead, the company provides this statement on its website:

“If you make significant hardware changes on your device, such as replacing your motherboard, Windows will no longer find a license that matches your device, and you’ll need to reactivate Windows to get it up and running.”

Documents retrieved by Paul Thurrott, however, state that hard drive replacement does not fall under Microsoft’s “substantial change” label.

### Digital License for Pre-Built Systems

The big reactivation roadblock likely stems from laptops and desktops pre-built by Acer, Dell, HP, Samsung, and so on. For a long time, these OEMs printed product keys on labels stuck to the PC’s chassis.

Since the days of Windows 8, manufacturers have stored keys in the BIOS or ACPI table (via UEFI) located on the motherboard. If you need to reinstall the operating system for any reason, Windows 10 will retrieve that key Reason 10 License - Free Activators activation.

The move to onboard keys stems from piracy. Microsoft simply doesn’t want customers installing Windows on multiple computers using a single key. The company originally dubbed this one-key-per-device method “digital entitlement” but began using the term “digital license” with Windows 10 Anniversary Update. Keys now link to your Microsoft account.

That said, reactivation can be problematic if you manually replace the motherboard in a pre-built PC. The embedded key is lost, requiring a call to Microsoft to verify the hardware change.

A call to the OEM may be helpful, too, if you originally registered the product and explain the problem. However, Windows 10 for OEMs typically cannot be moved to other PCs.

### Product Keys for System Builders

System builders purchase Windows 10 “product keys” directly from retailers, including Amazon, Microsoft, Newegg, and more. They’re either printed, emailed, or stored in an online account.

Customers type these keys into a requested prompt during the Windows 10 setup process. Like OEM-based installs, these keys are tied to Microsoft accounts.

The difference here is that reactivation is less problematic given a product key isn’t embedded in the motherboard. Unfortunately, Microsoft doesn’t fully explain its “significant hardware change” term.

However, replacing a single component—such as swapping out memory sticks or upgrading a discrete GPU—typically doesn’t lock customers out of Windows 10. But a major overhaul to multiple components could make the PC unrecognizable.

The good news is that system builders can run the Windows 10 Update Troubleshooter to un-assign the product key from the previous PC configuration and reassign it to the new build. Keep in mind that the number of activations is limited.

In short, you can move this license to another PC, but not indefinitely.

In this case, customers don’t have a Windows 10 key, nor is a key embedded in the BIOS or UEFI. Instead, they can apply the same product key used to upgrade to Windows 10. Reactivation will depend on the PC: Is it a pre-built system or hand-built from scratch?

### Reactivate Windows 10 Using a Digital License

Use this guide if you’re reinstalling Windows 10 without a printed or emailed product key. If Windows 10 can retrieve your key from the motherboard, then there’s nothing else you need to do. If your PC endured a “significant hardware change” making it unrecognizable, then press on.

### If You Reinstall Windows 10 from Scratch

When you first begin reinstalling Windows 10, the setup process prompts you to enter a product key. Since this copy doesn’t have a key, click on the “I Don’t Have a Product Key” link.

Windows 10 will prompt you for the version you own (Home, Pro, etc). After that, select “Custom: Install Windows Only” in the next window. This isn’t an upgrade given you’re starting from scratch.

Follow the setup instructions until you reach the desktop.

If Windows 10 remains intact on a surviving drive, you don’t need to reinstall. Instead, load up Windows 10 and reactivate through the Settings app as explained in the following steps.

### Reactivate from Within Windows 10

First, click the Start button followed by the “gear” icon located along the Start Menu’s left edge. This opens the Settings app.

Click the “Update & Security” tile. You can also hit the “Windows Isn’t Activated. Activate Windows Now” link at Reason 10 License - Free Activators bottom of the Settings app.

Select “Activation” listed in the menu to the left. You should see a message on the right stating “Windows Can’t be Activated on Your Device” or something similar. Click the “Troubleshoot” link shown under the warning.

In Reason 10 License - Free Activators following popup, click the “I Changed Hardware on This Device Recently” link.

Enter your Microsoft account credentials and select the “Sign In” button. You’ll see a list of your devices. Select the device with the changed hardware and check the box next to “This Is the Device I’m Using Right Now.”

Select “Activate” to proceed.

### Reactivate Windows 10 Using a Product Key

Use this guide if you built a PC from scratch and purchased a copy of Windows 10. This method requires a special key—printed or emailed—to activate Windows 10.

This guide also covers devices with printed product keys stuck to the side, like an older Windows 8.1 laptop upgraded to Windows 10.

### If You Reinstall Windows 10 from Scratch

When you first begin reinstalling Windows 10, the setup process prompts you to enter a product key. Enter the code and click the “Next” button.

After that, select “Custom: Install Windows Only” in the next window. This isn’t an upgrade given you’re starting from scratch.

Follow the setup instructions until you reach the desktop.

If Windows 10 remains intact on a surviving drive, you don’t need to reinstall. Instead, load up Windows 10 and reactivate through the Settings app as explained in the following steps.

### Reactivate from Within Windows 10

First, click the Start button followed by the “gear” icon located along the Start Menu’s left edge. This opens the Settings app.

Click the “Update & Security” tile.

Select “Activation” listed in the menu to the left and then click the “Change Product Key” link on the right listed under the“Update Product Key” heading.

Enter the product key in the pop-up window and click the “Next” button.

### Reactivate Windows 10 Using Microsoft Chat Support

This isn’t the ideal solution, but if you experience issues reactivating Windows 10 using the previous two methods, you might need to contact Microsoft and explain the situation. You can message a Windows Advisor, schedule a call, or request a callback.

Microsoft’s support line is often filmora 9 crack - Free Activators helpful if you’re doing something reasonable. The support staff have leeway to activate a Windows license even if it can’t be activated automatically.

Microsoft’s troubleshooters have made contacting support less necessary these days, but it was traditionally used to solve many activation problems.

Источник: https://www.howtogeek.com/444351/how-to-reactivate-windows-10-after-a-hardware-change/

A funny thing happens when you look for a product key in Windows 10 after doing the free upgrade: You won’t find them.

In Windows 10, utilities like Magical Jelly Bean KeyFinder or Belarc Advisor return generic product keys instead of authentic ones. Don’t believe me? This is the key Windows 10 Pro users will see in KeyFinder or Belarc Advisor: VK7JG-NPHTM-C97JM-9MPGT-3V66T.

Let’s try this PowerShell script from the Hexus forums on Windows 10 Pro. You should get this: T44CG-JDJH7-VJ2WF-DY4X9-HCFC6. That’s the generic key for build 10240.

Not a real product key to be seen anywhere.

The reason for this is that Windows 10 changes Microsoft’s traditional product key model, and if you ask me it’s for the better.

### Entitlements, not product keys

When you use the free upgrade to Windows 10 or pay for a digital retail version, you don’t get a product key. Instead, your computer uses what Microsoft calls a digital entitlement.

“Upon upgrading to Windows 10, the activation state from a prior version of Windows (be it Windows 7, Windows 8 or a prior build of Windows 10) is seamlessly carried over,”  a Microsoft spokesperson told PCWorld. “Once activated, a digital entitlement for your PC’s hardware is created in the Windows 10 activation service.This entitlement can be used by the same PC again for re-activation of the same Edition of Windows 10 in the future.”

It looks like the product key is on its way out, at least as far as users are concerned. After installation, your version of Windows 10 should just activate in the background in a few moments or a few days at the most. You can check your activation status by going to Settings > Update & Security > Activation.

### Clean installs all the way down

Once your Windows 10 upgrade activates, you can grab a Windows 10 install image, do a clean install, skip the screen asking for product keys, and you should just re-activate again after the install is complete. I say should, because even in this brave new world without product keys I find it hard to believe there won’t be a few installation horror stories involving product activation.

That said, I can vouch from personal experience that a post-upgrade clean install of Windows 10 just works. Shortly after I installed Windows 10 on my laptop, I swapped out my old spinning hard drive for an SSD. When I was done with the installation Windows activated right away.

For longtime Windows users the absence of product keys in Windows 10 digital installs is a relief and at the same time a little worrying. Based on the long history of activation horror stories, some of you out there may be a little suspicious of this new process. Although the notion of never having to use a product key ever again sounds great.

### Well, almost…

There are still situations where you’ll run into product keys with Windows 10. If you buy a physical retail edition such as on a USB stick or DVD, you’ll still get a product key. Microsoft told us that “your activation product key stays with your PC.” We’re not clear if that means product keys work as digital entitlements, or whether you’ll be managing product keys the old fashioned way—by stashing that product key somewhere safe for later use. We’re double-checking this with Microsoft and will update this article should the company respond.

One sticking point with digital entitlements is that because it’s dependent on your hardware configuration, making a significant change can wipe out the entitlement. If you swap out your motherboard, for example, your digital entitlement will likely disappear and Windows 10 won’t activate. If that happens, you’ll have to make a call to Microsoft’s customer support line to re-activate your copy of Windows.

Keep in mind we’re talking significant hardware changes here. If you swap out your hard drive for an SSD or add more RAM, you shouldn’t see any problems.

I don’t know about you, but if I ever have to look at a product key again it’ll be too soon.

Have you heard? Windows 11 is here, and it's ready to change your life.

### First Things First: Why NOT Upgrade to Windows 11?

The good people of the internet love Microsoft, but, as with any big change in tech, many in the blogosphere have brought up their concerns:

• They worry that switching to Windows 11 will make their computer too slow.
• Lots of people avoid change when possible—a new system to learn? No thank you.
• Some use software that they fear will not run as efficiently on Windows 11; the question of compatibility with Office 2021 is one that appears to come up very often.

The last of these is probably the most common qualm that we notice. The good news is that there is nothing to fear—all of your favorite applications will run just as well on Windows 11 as they did on Windows 10. Microsoft even made sure to release Office 2021 alongside Windows 11, just to reassure those of us with trust issues.

Windows and Office are both a part of the comprehensive family of Microsoft software, with each application coexisting harmoniously with every new version of the operating system. They're built for each other, so if you're hesitant to make the upgrade for this reason, don't be. The bottom line is that upgrading to Windows 11 will not impede your work.

If you're already using Windows 10, we have more good news. Do you see that little blue dot on the Updates icon in your taskbar?

For the Windows 11 download click on it, and it'll whisk you away to your Settings—at the top, you should see an invitation to upgrade to Windows 11.

For those of you who do not see an invitation, you can access the same settings via the following file path: navigate to your Update & Security settings and click Check for Updates.

Users who have not had an invitation to upgrade to Windows 11 will usually be working with PCs that don't meet Microsoft's minimum spec recommendations.

If you're worried that your system may not be able to handle the upgrade, you can perform a PC health check before proceeding yourself. Microsoft does not recommend that those using sub-standard devices make the change, but you're free to do so if you're feeling confident in your system's ability to adapt.

### How to Install Windows 11

For those of us who skipped the last version of Windows or were die-hard Mac fanatics until very recently, you might need to buy a 100% original license for Windows 11. While Microsoft has a Windows 11 disk image available to download from its site, you'll still need to use a previous product key to unlock it.

Microsoft makes it criminally easy to buy Windows 11 through your system settings—hit Start, step into your Settings, and then choose System.

Under Activation, you'll be able to see whether or not your Windows 11 operating system is active. Just below that should be a dropdown that allows you to change your product key or upgrade to Windows 11 directly from the Microsoft Store.

If you need a Windows 11 license and Microsoft's asking price is just a little steep for you, plenty of third-party software resellers and distributors are able to offer you a secondhand license at a greatly reduced rate.

Mr Key Shop happens to be one brand that we love—you can upgrade to Windows 11 on its site or buy a standalone version of Windows 11 Home or Windows 11 Professional (Windows 11 Enterprise is also available on Mr Key Shop, but this probably isn't the version that you need).

### How to Install Windows 11 Without Windows 10

Microsoft's user guide on product activation walks you through the process of using a digital license or a product key to activate your new operating system. Once you've acquired either from any trusted source, installing Windows 11 takes no time. avg pc tuneup 2019 activation code

And, as far as compatibility with Office goes, Office 2021 works just as well on Windows 11 as it does on Windows 10. If you are, in fact, interested in updating your entire system, Mr Shop Key has licenses for many versions of Microsoft Office available to purchase; you can grab a copy of Microsoft Office 2021 from its site as soon as you upgrade to Windows 11. We recommend you also read our article on How to Download Windows 10 Free, this can clear up any doubts about this topic.

### What Is Mr Key Shop?

Mr Key Shop's mission is to bring brand-name software to consumers of every tax bracket. It's a software reseller specializing both in the latest in tech as well as in legacy software, such as older versions of the Windows operating system and Microsoft Office.

It's a reputable service; the prices are fair, and you can do business here knowing that you're in good hands (read the reviews on Trustpilot for more info). Mr Key Shop deals primarily in software from Microsoft, but it also offers a host of antivirus software, as well.

### How Does Mr Key Shop Work?

All of the software on Mr Key Shop is legal and from the source. Every purchase is delivered digitally in an effort to reduce the company's carbon footprint (and, by extension, yours too!). because Mr Key Shop is an Eco-Friendly company.

While a lot of what you'll find here feels almost too good to be true, Mr Key Shop actually cites the exact legal precedents validating its line of business on its About Us page. The cases in question ruled that the sale of refurbished software is, indeed, valid; a person can sell a software license that they own just like they can sell an old cell phone or sofa, without the explicit permission of the original manufacturers of the products in question.

There's plenty more on this topic to read on the Mr Key Shop site; rest assured that you won't be held liable for anything that you buy here. If you're still unsure, Microsoft's How to Tell guide offers a wealth of information on the topic of fraudulent software. We recommend that you take a peek if you still have questions about making the upgrade safely.

### Buy Windows 11 on Mr Key Shop

On Mr Key Shop, you can buy and upgrade to Windows 11 Operating Systems for a great price. We love brands like this because nobody should have to go without the latest software, even if they're skipped a version or are just making the switch to PC now.

For Microsoft Office products, Windows 11, or antivirus software of every possible manifestation, we can recommend Mr Key Shop. Buy Windows 11 on offer at Mr Key Shop before the prices increase.

We hope you like the items we recommend and discuss! MUO has affiliate and sponsored partnerships, so we receive a share of the revenue from some of your purchases. This won’t affect the price you pay and helps us offer the best product recommendations.

7 Signs You Are a Seasoned Windows User

Windows has been around since 1985, making it positively ancient. Have you been there since the beginning? Here's how to crack filmora 9 watermark - Free Activators fun trivia about early Windows.

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Emma Garofalo is a writer currently based in Pittsburgh, Pennsylvania. When not toiling away at her desk in want of a better tomorrow, she can usually be found behind the camera or in the kitchen. Critically-acclaimed. Universally-despised.

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### Activation Energy

Activation energy is the energy required for a reaction to occur, and determines its rate.

### Learning Objectives

Discuss the concept of activation energy

### Key Takeaways

#### Key Points

• Reactions require an input of energy to initiate the reaction; this is called the activation energy (EA).
• Activation energy is the amount of energy required to reach the transition state.
• The source of the activation energy needed to push reactions forward is typically heat energy from the surroundings.
• For cellular reactions to occur fast enough over short time scales, their activation energies are lowered by molecules called catalysts.
• Enzymes are catalysts.

#### Key Terms

• activation energy: The minimum energy required for a reaction to occur.
• catalysis: The increase in the rate of a chemical reaction by lowering its activation energy.
• transition state: An intermediate state during a chemical reaction that has a higher energy than the reactants or the products.

Many chemical reactions, and almost all biochemical reactions do not occur spontaneously and must have an initial input of energy (called the activation energy) to get started. Activation energy must be considered when analyzing both endergonic and exergonic reactions. Exergonic reactions have a net release of energy, but they still require a small amount of energy input before they can proceed with their energy-releasing steps. This small amount of energy input necessary for all chemical reactions to occur is called the activation energy (or free energy of activation) and is abbreviated EA.

Activation energy: Activation energy is the energy required for a reaction to proceed; it is lower if the reaction is catalyzed. The horizontal axis of this diagram describes the sequence of events in time.

### Activation Energy in Chemical Reactions

Why would an energy-releasing, negative ∆G reaction actually require some energy to proceed? The reason lies in the steps that take place during a chemical reaction. During chemical reactions, certain chemical bonds are broken and new ones are formed. For example, when a glucose molecule is broken down, bonds between the carbon atoms of the molecule are broken. Since these are energy-storing bonds, they release energy when broken. However, to get them into a state that allows the bonds to break, the molecule must be somewhat contorted. A small energy input is required to achieve this contorted state, which is called the transition state: it is a high-energy, unstable state. For this reason, reactant molecules don’t last long in their transition state, but very quickly proceed to the next steps of the chemical reaction.

Cells will at times couple an exergonic reaction $(\Delta \text{G}\lt0)$ with endergonic reactions $(\Delta \text{G}\gt0)$, allowing them to proceed. This spontaneous shift from one reaction to another is called energy coupling. The free energy released from the exergonic reaction is absorbed by the endergonic reaction. One example of energy coupling using ATP involves a transmembrane ion pump that is extremely important for cellular function.

### Free Energy Diagrams

Free energy diagrams illustrate the energy profiles for a given reaction. Whether the reaction is exergonic (ΔG<0) or endergonic (ΔG>0) determines whether the products in the diagram will exist at a lower or higher energy state than the reactants. However, the measure of the activation energy is independent of the reaction’s ΔG. In other words, at a given temperature, the activation energy depends on the nature of the chemical transformation that takes place, but not on the relative energy state of the reactants and products.

Although the image above discusses the concept of activation energy within the context of the exergonic forward reaction, the same principles apply to the reverse reaction, which must be endergonic. Notice that the activation energy for the reverse reaction is larger than for the forward reaction.

Activation energy in an endergonic reaction: In this endergonic reaction, activation energy is still required to transform the reactants A + B into the product C. This figure implies that the activation energy is in the form of heat energy.

### Heat Energy

The source of the activation energy needed to push reactions forward is typically heat energy from the surroundings. Heat energy (the total bond energy of reactants or products in a chemical reaction) speeds up the motion of molecules, increasing the frequency and force with which they collide. It also moves atoms and bonds within the molecule slightly, helping them reach their transition state. For this reason, heating up a system will cause chemical reactants within that system to react more frequently. Increasing the pressure on a system has the same effect. Once reactants have absorbed enough heat energy from their surroundings to reach the transition state, the reaction will proceed.

The activation energy of a particular reaction determines the rate at which it will proceed. The higher the activation energy, the slower the chemical reaction will be. The example of iron rusting illustrates an inherently slow reaction. This reaction occurs slowly over time because of its high EA. Additionally, the burning of many fuels, which is strongly exergonic, will take place at a negligible rate unless their activation energy is overcome by sufficient heat from a spark. Once they begin to burn, however, the chemical reactions release enough heat to continue the burning process, supplying the activation energy for surrounding fuel molecules.

Like these reactions outside of cells, the activation energy for most cellular reactions is too high for heat energy to overcome at efficient rates. In other words, in order for important cellular reactions to occur at significant rates (number of reactions per unit time), their activation energies must be lowered; this is referred to as catalysis. This is a very good thing as far as living cells are concerned. Important macromolecules, such as proteins, DNA, and RNA, store considerable energy, and their breakdown is exergonic. If cellular temperatures alone provided enough heat energy for these exergonic reactions to overcome their activation barriers, the essential components of a cell would disintegrate.

### The Arrhenius Equation

The Arrhenius equations relates the rate of a chemical reaction to the magnitude of the activation energy:

$\text{k}=\text{Ae}^{\text{E}_\text{a}/\text{RT}}$

where

• k is the reaction rate coefficient or constant
• A is the frequency factor of the reaction. It is determined experimentally.
• R is the Universal Gas constant
• T is the temperature in Kelvin

### The Collision Theory

Collision theory provides a qualitative explanation of chemical reactions and the rates at which they occur, appealing to the principle that molecules must collide to react.

### Learning Objectives

Discuss the role of activation energy, collisions, and molecular orientation in collision theory

### Key Takeaways

#### Key Points

• Molecules must collide in order to react.
• In order to effectively initiate a reaction, collisions must be sufficiently energetic ( kinetic energy ) to break chemical bonds; this energy is known as the activation energy.
• As the temperature rises, molecules move faster and collide more vigorously, greatly increasing the likelihood of bond breakage upon collision.

#### Key Terms

• activation energy: The minimum energy with which reactants must collide in order for a reaction to occur.

Collision Theory provides a qualitative explanation of chemical reactions and the noteburner crack reddit at which they occur. A basic principal of collision theory is that, in order to react, molecules must collide. This fundamental rule guides any analysis of an ordinary reaction mechanism.

Consider the elementary bimolecular reaction: $\text{A} + \text{B} \rightarrow \text{products}$

If the two molecules A and B are to react, they must come into contact with sufficient force so that chemical bonds break. We call such an encounter a collision. If both A and B are gases, the frequency of collisions between A and B genymotion crack free download for windows 7 - Free Activators be proportional to the concentration of each gas. If we double the concentration of A, the frequency of A-B collisions will double, and doubling the concentration of B will have the same effect. Therefore, according to collision theory, the rate at which molecules collide will have an impact on the overall reaction rate.

Molecular collisions: The more molecules present, the more collisions will happen.

### Activation Energy and Temperature

When two billiard balls collide, they simply bounce off of one other. This is also the most likely outcome when two molecules, A and B, come into contact: they bounce off one another, completely unchanged and unaffected. In order for a collision to be successful by resulting in a chemical reaction, A and B must collide with sufficient energy to break chemical bonds. This is because in any chemical reaction, chemical bonds in the reactants are broken, and new bonds in the products are formed. Therefore, in order to effectively initiate a reaction, the reactants must be moving fast enough (with enough kinetic energy) so that they collide with sufficient force for bonds to break. This minimum energy with which molecules must be moving in order for a collision to result in a chemical reaction is known as the activation energy.

As we know from the kinetic theory of gases, the kinetic energy of a gas is directly proportional to temperature. As temperature increases, molecules gain energy and move faster and faster. Therefore, the greater the temperature, the higher the probability that molecules will be moving with the necessary activation energy for a reaction to occur upon collision.

### Molecular Orientation and Effective Collisions

Even if two molecules collide with sufficient activation energy, there is no guarantee that the collision will be successful. In fact, the collision theory says that not every collision is successful, even if molecules are moving with enough energy. The reason for this is because molecules also need to collide with the right orientation, so that the proper atoms line up with one another, and bonds can break and re-form in the necessary fashion. For example, in the gas- phase reaction of dinitrogen oxide with nitric oxide, the oxygen end of N2O must hit the nitrogen end of NO; if either molecule is not lined up correctly, no reaction will occur upon their collision, regardless of how much energy they have. However, because molecules in the liquid and gas phase are in constant, random motion, there is always the probability that two molecules will collide in just the right way for them to react.

Of course, the more critical this orientational requirement is, like it is for larger or more complex molecules, the fewer collisions there will be that will be effective. An effective collision is defined as one in which molecules collide with sufficient energy and proper orientation, so that a reaction occurs.

### Conclusion

According to the collision theory, the following criteria must be met in order for a chemical reaction to occur:

1. Molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break.
2. Molecules must collide with the proper orientation.
3. A collision that meets these two criteria, and that results in a chemical reaction, is known as a successful collision or an effective collision.

Collision theory explanation: Collision theory provides an explanation for how particles interact to cause a reaction and the formation of new products.

### Factors that Affect Reaction Rate

The rate of a chemical reaction depends on factors that affect whether reactants can collide with sufficient energy for reaction to occur.

### Learning Objectives

Explain how concentration, surface area, pressure, temperature, and the addition of catalysts affect reaction rate

### Key Takeaways

#### Key Points

• When the concentrations of the reactants are raised, the reaction proceeds more quickly. This is due to an increase in the number of molecules that have the minimum required energy. For gases, increasing pressure has the same effect as increasing concentration.
• When solids and liquids react, increasing the surface area of the solid will increase the reaction rate. A decrease in particle size causes an increase in the solid’s total surface area.
• Raising the reaction temperature by 10 °C can double or triple the reaction rate. This is due to an increase in the number of particles that have the minimum energy required. The reaction rate decreases with a decrease in temperature.
• Catalysts can lower the activation energy and increase the reaction rate without being consumed in the reaction.
• Differences in the inherent structures of reactants can lead to differences in reaction rates. Molecules joined by stronger bonds will have lower reaction rates than will molecules joined by weaker bonds, due to the increased amount of energy required to break the stronger bonds.

#### Key Terms

• catalyst: A substance that increases the rate of a chemical reaction without being consumed in the process.
• activation energy: The minimum amount of energy that molecules must have in order for a reaction to occur upon collision.

### Reactant Concentrations

Raising the concentrations of reactants makes the reaction happen at a faster rate. For a chemical reaction to occur, there must be a certain number of molecules with energies equal to or greater than the activation energy. With an increase in concentration, the number of molecules with the minimum required energy will increase, and therefore the rate of the reaction will increase. For example, if one in a million particles has sufficient activation energy, then out of 100 million particles, only 100 will react. However, if you have 200 million of those particles within the same volume, then 200 of them react. By doubling the concentration, the rate of reaction has doubled as well.

Interactive: Concentration and Reaction Rate: In this model, two atoms can form a bond to make a molecule. Experiment with changing the concentration of the atoms in order to see how this affects the reaction rate (the speed at which the reaction occurs).

### Surface Area

In a reaction between a solid and a liquid, the surface area of the solid will ultimately impact how fast the reaction occurs. This is because the liquid and the solid can bump into each other only at the liquid-solid interface, which is on the surface of the solid. The solid molecules trapped within the body of the solid cannot react. Therefore, increasing the surface area of the solid will expose more solid molecules to the liquid, which allows for a faster reaction.

For example, consider a 6 x 6 Reason 10 License - Free Activators 2 inch brick. The area of the exposed surfaces of the brick is $4(6\times 2)+2(6\times 6)=120\;\text{cm}^2$. When the brick is dismantled into nine smaller cubes, however, each cube has a surface area of $6(2 \times 2) = 24\ \text{cm}^2$, so the total surface area of the nine cubes is $9 \times 24 = 216\ \text{cm}^2$.

This shows that the total exposed surface area will increase when a larger body is divided into smaller pieces. Therefore, since a reaction takes place on the surface of a substance, increasing the surface area should increase the quantity of the substance that is available to react, and will thus increase the rate of the reaction as well.

Surface areas of smaller molecules versus larger molecules: This picture shows how dismantling a brick into smaller cubes causes an increase in the total surface area.

### Pressure

Increasing the pressure for a reaction involving gases will increase the rate of reaction. As you increase the pressure of a gas, you decrease its volume (PV=nRT; P and V are inversely related), while the number of particles (n) remains unchanged. Therefore, increasing pressure increases the concentration of the gas (n/V), and ensures that the gas molecules collide more frequently. Keep in mind this logic only works for gases, which are highly compressible; changing the pressure for a reaction that involves only solids or liquids has no effect on the reaction rate.

### Temperature

It has been observed experimentally that a rise of 10 °C in temperature usually doubles or triples the speed of a reaction between molecules. The minimum energy needed for a reaction to proceed, known as the activation energy, stays the same with increasing temperature. However, the average increase in particle kinetic energy caused by the absorbed heat means that a greater proportion of the reactant molecules now have the minimum energy necessary to collide and react. An increase in temperature causes a rise in the energy levels of the molecules involved in the reaction, so the rate of the reaction increases. Similarly, the rate of reaction will decrease with a decrease in temperature.

Interactive: Temperature and Reaction Rate: Explore the role of temperature on reaction rate. Note: In this model any heat generated by the reaction itself is removed, keeping the temperature constant in order to isolate the effect of environmental temperature on the rate of reaction.

### Presence or Absence of a Catalyst

Catalysts are substances that increase reaction rate by lowering the activation energy needed for the reaction to occur. A catalyst is not destroyed or changed during a reaction, so it can be used again. For example, at ordinary conditions, H2 and O2 do not combine. However, they do combine in the presence of a small quantity of platinum, which acts as a catalyst, and the reaction then occurs rapidly.

### Nature of the Reactants

Substances differ markedly in the rates at which they undergo chemical change. The differences in reactivity between reactions may be attributed to the different structures of the materials involved; for example, whether the substances are in solution or in the solid state matters. Another factor has to do with the relative bond strengths within the molecules of the reactants. For example, a reaction between molecules with atoms that are bonded by strong covalent bonds will take place at a slower rate than would a reaction between molecules with atoms that are bonded by weak covalent bonds. This is due to the fact that it takes more energy to break the bonds of the strongly bonded molecules.

### The Arrhenius Equation

The Arrhenius equation is a formula that describes the temperature-dependence of a reaction rate.

### Key Takeaways

#### Key Points

• The equation relates k, the rate constant for a given chemical reaction, with the temperature, T, the activation energy for the reaction, Ea, the pre-exponential factor A, and the universal gas constant, R.
• High temperature and low activation energy favor larger rate constants, and therefore speed up the reaction.
• The equation is a combination of the concepts of activation energy and the Maxwell-Boltzmann distribution.

#### Key Terms

• Exponential Decay: When a quantity decreases at a rate proportional to its value.

The Arrhenius equation is a simple but remarkably accurate formula for the temperature dependence of the reaction rate constant, and therefore, the rate of a chemical reaction. The equation was first proposed by Svante Arrhenius in 1884. Five years later, in 1889, Dutch chemist J. H. van ‘t Hoff provided physical justification and interpretation for it. The equation combines the concepts of activation energy and the Boltzmann distribution law into one of the most important relationships in physical chemistry:

$\text{k}= \text{Ae}^{-\frac{\text{E}_\text{a}}{\text{RT}}}$

In this equation, k is the rate constant, T is the absolute temperature, Ea is the activation energy, A is the pre-exponential factor, and R is the universal gas constant.

Take a moment to focus on the meaning of this equation, neglecting the A factor for the time being. First, note that this is another form of the exponential decay law. What is “decaying” here is not the concentration of a reactant as a function of time, but the magnitude of the rate constant as a function of the exponent –Ea /RT.

What is the significance of this quantity? If you recall that RT is the average kinetic energy, it will be apparent that the exponent is just the ratio of the activation energy, Ea, to the average kinetic energy. The larger this ratio, the smaller the rate, which is why it includes the negative sign. This means that high temperatures and low activation energies favor larger rate constants, and therefore these conditions will speed up a reaction. Since these terms occur in an exponent, their effects on the rate are quite substantial.

### Plotting the Arrhenius Equation in Non-Exponential Form

The Arrhenius equation can be written in a non-exponential form, which is often more convenient to use and to interpret graphically. Taking the natural logarithms of both sides and separating the exponential and pre-exponential terms yields: $\text{ln}(\text{k})=\text{ln}(\text{A})-\frac{\text{E}_{\text{a}}}{\text{RT}}$

Note that this equation is of the form $\text{y}=\text{mx}+\text{b}$, and creating a plot of ln(k) versus 1/T will produce a straight line with the slope –Ea /R.

Plot of ln(k) versus 1/T for the decomposition of nitrogen dioxide: The slope of the line is equal to -Ea/R.

This affords a simple way of Reason 10 License - Free Activators the activation energy from values of k observed at different temperatures. We can plot ln(k) versus 1/T, and simply determine the slope to solve for Ea.

### The Pre-Exponential Factor

Let’s look at the pre-exponential factor A in the Arrhenius equation. Recall that the exponential part of the Arrhenius equation ($\text{e}^{\frac{-\text{E}_\text{a}}{\text{RT}}}$) expresses the fraction of reactant molecules that possess enough kinetic energy to react, as governed by the Maxwell-Boltzmann distribution. Depending on the magnitudes of Ea and the temperature, this fraction can range from zero, where no molecules have enough energy to react, to unity, where all molecules have enough energy to react.

If the fraction were unity, the Arrhenius law would reduce to k = A. Therefore, A represents the maximum possible rate constant; it is what the rate constant would be if every collision between any pair of molecules resulted in a chemical reaction. This could only occur if either the activation energy were zero, or if the kinetic energy of all molecules exceeded Ea—both of which are highly unlikely scenarios. While “barrier-less” reactions, which have zero activation energy, have been observed, these are rare, and even in such cases, molecules will most likely need to collide with the right orientation in order to react. In real-life situations, not every collision between molecules will be an effective collision, and the value of $\text{e}^{\frac{-\text{E}_\text{a}}{\text{RT}}}$ will be less than one.

### Transition State Theory

In a given chemical reaction, the hypothetical space that occurs between the reactants and the products is known as the transition state.

### Learning Objectives

Summarize the three Reason 10 License - Free Activators features of transition state theory

### Key Takeaways

#### Key Points

• Transition state theory has been successful in calculating the standard enthalpy of activation, the standard entropy of activation, and the standard Gibbs energy of activation.
• Between products and reactants, there exists the transition state.
• The activated complex is a higher-energy, reactant-product hybrid. It can convert into products, or revert to reactants.

#### Key Terms

• Transition State Theory: Postulates that a hypothetical transition state occurs after the state in which chemicals exist as reactants, but before the state in which they exist as products.
• activated complex: A higher-energy species that is formed during the transition state of a chemical reaction.

Transition state theory (TST) describes a hypothetical “transition state” that occurs in the space between the reactants and the products in a chemical reaction. The species that is formed during the transition state is known as the activated complex. TST is used to describe how a chemical reaction occurs, and it is based upon collision theory. If the rate constant for a reaction is known, TST can be used successfully to calculate the standard enthalpy of activation, the standard entropy of activation, and the standard Gibbs energy of activation. TST is also referred to as “activated-complex theory,” “absolute-rate theory,” and “theory of absolute reaction rates.”

Transition state theory: The activated complex, which a kind of reactant-product hybrid, exists at the peak of the reaction coordinate, in what is known as the transition state.

### Postulates of Transition State Theory

According to transition state theory, between the state in which molecules exist as reactants and the state in which they exist as products, there is an intermediate state known as the transition state. The species that forms during the transition state is a higher-energy species known as the activated complex. TST postulates three major factors that determine whether or not a reaction will occur. These factors are:

1. The concentration of the activated complex.
2. The rate at which the activated complex breaks apart.
3. The mechanism by which the activated complex breaks apart; it can either be converted into products, or it can “revert” back to reactants.

This third postulate acts as a kind of qualifier for something we have already explored in our discussion on collision theory. According to collision theory, a successful collision is one in which molecules collide with enough energy and with proper orientation, so that reaction will occur. However, according to transition state theory, a successful collision will not necessarily lead to product formation, but only to the formation of the activated complex. Once the activated complex is formed, it can then continue its transformation into products, or it can revert back to reactants.

### Applications in Biochemistry

Transition state theory is most useful in the field of biochemistry, where it is often used to model reactions catalyzed by enzymes in the body. For instance, by knowing the possible transition states that can form in a given reaction, as well as knowing the various activation energies for each transition state, it becomes possible to predict the course of a biochemical reaction, and to determine its reaction rate and rate constant.

Источник: https://courses.lumenlearning.com/boundless-chemistry/chapter/activation-energy-and-temperature-dependence/

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