This means that a Windows 7/8 key will not be able to activate a Windows 11/10 installation. To recall, Microsoft launched Windows 10 in 2015.

Find your Windows 10 purchase, and the product key should be directly below it. Keep in mind, this refers to copies bought directly from Amazon, not third-party sellers on Amazon’s site.

Finding your Windows 10 product key isn't rocket science! Use simple tools, the registry, or your purchase details to recover it effortlessly. Here’s how.

Right now in our PCWorld Software store you can buy a Windows 10 Pro license for just $69.99, 65% off its typical price of $199.99. Once installed, you can upgrade to Windows 11 Pro for free.

Next, clear the product key by running this command – slmgr.vbs /cpky To enter your new product key, use the command: slmgr.vbs /ipk xxxxx-xxxxx-xxxxx-xxxxx.

At least for now, though, it seems like this change will only apply to future Windows versions. We were able to activate a fresh Windows 11 Pro 22H2 install with a Windows 8 Pro product key as of ...

Your Windows 11 product key is an important piece of information that you’ll be able to access in a few different ways. Here’s a step-by-step guide to help.