Are you looking for free product keys for Windows 10 technical preview? Find out some product serials keys released by Microsoft for testing the Windows 10 preview version.

Windows is a paid software and you can’t use the license keys obtained from elsewhere to activate your Windows. However, when Microsoft launch prerelease versions of Windows, they usually share some product keys to test such versions.

Windows 10 product keys technical preview was announced on Sep 30, 2014. Company has given out few product keys for you to use when you install the preview edition on your computer. In most cases, the preview installation will not ask for a product key and the Windows will be activated automatically. However, if you are prompted to enter a product key, you can use the below mentioned license keys to activate Windows 10 product keys technical preview.

License keys for Windows 10 technical preview

The following license keys are shared publicly by Microsoft and are not meant for production use. These product keys are valid only for testing the current technical preview version.

Key of Windows 10 Tech preview: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR
Key of Windows 10 Tech preview for enterprise: PBHCJ-Q2NYD-2PX34-T2TD6-233PK

If you haven’t downloaded the preview yet, you can download it here.

Before you install, make sure your computer meets all the hardware requirements.

If you come across any bugs or like to give feedback to Microsoft, you can use Windows 10 product keys feedback app to report bugs.

Since the product is expected to have bugs and issues, it is recommended to install Windows 10 on VMWare Workstation or similar virtual machines.


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Windows 10 Key has been available for a couple of days, and 14 million machines have already been upgraded. If you’re anything like me and you have a custom PC or you just want a nice and clean install of Windows then you’ll want to format and start over. Microsoft hasn’t been exactly clear about that process, but I’ve spent the past couple of days figuring out what does and doesn’t work. If you want to learn more about the operating system then read our Windows 10 review here.

How to clean install Windows 10

If you’re on Windows 7 or Windows 8.1

Warning: this guide is designed for the technically minded, so if you just want to upgrade to Windows 10 then please follow the usual process here.

First things first, backup everything you want to keep on your PC. You’ll need to upgrade to Windows 10 first before a clean install. This is the safest way to ensure Windows 10 recognizes your product key and upgrades you correctly. You can chance clean installing without the upgrade path, but Microsoft does warn it might not be able to detect the product key from your PC’s motherboard. That means upgrading the supported way, and not with an ISO. There are two ways to do this officially and retain your license and activation properly. The first is using the usual reservation method detailed here, but skip that and use Microsoft’s method to bypass the line. Visit Microsoft’s Windows 10 Key download page and select the 32-bit or 64-bit installer that’s relevant to your current operating system. Once the tool opens you’ll have two options: upgrade this PC now or create installation media for another PC. Select upgrade this PC and follow the prompts.

Windows 10 upgrade prompt

Once you’re on Windows 10, ensure that you login with your Microsoft Account you intend to use. Check that your PC is activated and check the copy of Windows 10 you have installed from Settings > Update & Security> Activation. Write down the exact copy of Windows 10 Key you have installed, and then download the Windows 10 installer again on your machine and this time select the second option: create installation media for another PC. You’ll need a USB key that’s at least 3GB in size or the ability to burn an ISO file to a DVD later. When you pick the version of Windows 10 ensure that it matches the version you noted down after the upgrade. Once your USB key or DVD is ready, reboot and use the BIOS options on your PC to boot from the USB or DVD. There will be a variety of setup prompts, but ensure you choose the custom installation to format your existing partition. Ignore any product key prompts along the way by selecting the skip option. Once you’ve installed Windows 10 it should automatically activate, but if it doesn’t then you can run slmgr.vbs /ato from a command prompt to initiate activation.

If you’re already on a Windows 10 preview machine

If you’ve been testing Windows 10 Key and now you want to clean install it on your machine, things get a little tricky. First things first, backup everything you want to keep on your PC. To be 100 percent sure you’ll retain your product key you’ll need to restore your PC back to Windows 8.1 or Windows 7 and then perform the upgrade process detailed above. You can restore your PC using the DVD your PC maker supplied with your PC, or attempting the reset PC process on your machine. This may have been overwritten by Windows 10, so if you’re not able to restore then contact your PC maker. You can try going for a clean install using the ISO, but it’s not guaranteed to work unless you’ve officially upgraded that machine to the final version of Windows 10 from a Windows 7 or Windows 8.1 install. I tried clean installing and I lost activation, but restoring to a Windows 8.1 install to upgrade to Windows 10 and then format and clean install worked. It’s a little messy for Windows 10 testers, but it’s the guaranteed way to ensure you don’t lose activation.

Here is the guide how to install Windows 10 on your pc:

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Activation not only makes your PC genuine but also it saves from various viruses’ attacks. If you have already a genuine file of windows, then you need not require a product key while upgrading to a new build. However, if you have changed your product key, it might be that your PC is no longer activated.

Here, in this article we will show you on how to change your current Windows 10 Product key Home, Pro, Enterprise. This article also consists some of the Product Key provided by Microsoft. Look at the end of the article for Product key and Activator.

How to Change Windows 10 Product key Home, Pro, Enterprise

We will tell you three ways of Changing Windows 10 Product key Home, Pro, Enterprise. You can choose either option which suits you the most.

Note: – You need an active Internet connection while activating your windows.

Method One: Using Command Prompt

  • Open the Command prompt on your PC.
  • In the command prompt, type slmgr/ipk Product Key.
  • In the above line, put down your actual 25 digit product key number instead of Product Key.
  • product key on command prompt
  • Method Two: Using Settings of Your Windows 10

    • Open Settings (present in the start screen) and then select Update & Security icon. A screenshot is shown below consisting of all the steps required.
    • settings window to change the product key
      • In the Update and Security tab, select Activation. This will open the Activation Tab which is shown above in the third slide. Click on Change Product Key and this will ask for the administrative right to move further. Just click on yes.
      • A new window will open up which is shown in the screenshot below.
      • activation pop upIn the first slide, put down your 25 digit product key number. It will start activating your windows. Once it read your Product key, click on next.This will activate your windows. A message will be shown on the screen “You’re now running a genuine version of window”.
      • Method 3: Using System present in your Control Panel

        • At first type “System” in the Search Windows. In the start screen, you can see System icon. Select this icon. This will open up the system window of your PC. A screenshot is shown below.
        • Windows 10 Product key Home, Pro, Enterprise
          • ote that the same system can be opened up by following sequence i.e. Control Panel >> System and Security >> System. This one is indicated in the above image also.
          • Go to the bottom and click on “Change Product Key”.
          • Now follow the same procedure from 3-5 steps of the above method.

          Windows 10 Pro Product Keys and Activator

          To activate Windows 10, you will require product keys. Some of the product keys for different build-ups are given below. These all product keys are provided by Microsoft itself.

          1. Windows 10 Pro Product Key – 334NH-RXG76-64THK-C7CKG-D3VPT
          2. Windows 10 Pro Activator


          All the product keys mentioned in this article are genuine and have been tested. Choose one among the multiple product keys which match your PC specification and you are done.

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You have already tested the Windows 10 key on your PC recently, there you need the product key to activate your Windows completely. Now, Microsoft has made the vibrant change for the Windows users by launching Windows 10. In the same way, if you have installed Windows 10 key on your PC after downloading from the store then you need the Product Key otherwise you will not able to install it forever. It is notable for the users that Windows 10 is free for the first year. This may prevent you from the using of Windows 10 key. So, the Product Key is very necessary for the Windows to activate.

Windows 10 product key

Here, we give you the Product Key for Microsoft Windows 10 key – 64 bit or 32 bit on your PC and Activator as well. Let us start.

Product Key for Microsoft Windows 10 – 64 bit or 32 bit

Actually, The Tech Giant has decided to release the Product Key for the users. As you know, the Microsoft Windows 10 Product Key is different for different Windows.

Windows 10 Product Key

Windows 10 – 32 bit

Windows 10 – 64 bit

For both the product key is


Windows 10 Pro Activator

You have to put the product key during installation of Windows if it asks you then your Windows will permanently enable for a particular time.

If you get trouble in installing Windows 10 on your PC, you may communicate via the comment box underneath.

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Windows 10

Here’s everything you need to know about how to find your Windows 10 product key and how activation works on free upgraded versus new retail copies of Windows 10.

Whether you availed Microsoft’s free Windows 10 upgrade offer, which by the way is available only till July 29th of 2016, or got a new license for your PC off retail, online, or via subscription-based sources like Microsoft’s own MSDN service and the likes, here’s what you need to know about Windows 10 product keys and the full process involved in activating a machine on Microsoft’s latest desktop OS.

Windows 10 product key

If you upgraded your PC to Windows 10 from a genuine copy of either Windows 8/8.1 or Windows 7, your license will be tied to the hardware you upgrade on, not your Microsoft account, and you won’t get any new product key either. You can verify this using any third-party product key fetching software like ProduKey or The Ultimate PID Checker. They will show you generic product keys like TX9XD-98N7V-6WMQ6-BX7FG-H8Q99 for Windows 10 Home and VK7JG-NPHTM-C97JM-9MPGT-3V66T for Windows 10 Pro edition.

So what if you want to clean install Windows 10 on the same machine? Yes you can do that by downloading an ISO file, turning it into a USB drive or DVD media and then running the setup for clean install. During install, when Windows setup asks you for product key, simply skip the step and let it complete the installation. Once Windows 10 clean install is complete, your copy of Windows will activate automatically as soon as you connect to Internet. This is because Microsoft knows you clean installed on the same hardware. You can always check your activation status from either Settings (WinKey+I) > Update & security > Activation:

windows 10 activation

Windows 10 system

Now if down the road you decide to change the hardware, you will need to call Microsoft support, inform them about the change to get your copy activated.

The TL;DR version of this is: If you used Windows 10 free upgrade option, you won’t get a unique product key. Your license will be tied to the hardware you upgraded Windows 10 on, not your Microsoft account. Clean installs will activate automatically as long as they are done on the same hardware.

Windows 10 retail product key and activation:

If you bought retail license of Windows 10, or got a product key either from MSDN, DreamSpark, TechNet and the likes, you obviously have a unique product key that you can enter in Windows setup during clean installations. In case you lose this number, you can use third-party softwares like ProduKey (download from here) to find it on an existing installation.

Windows 10 product key ProduKey

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