Microsoft will stop old Windows product keys from activating new

Windows 7 and 8 keys still seem to work for now, but that may be ending.

How to Recover Lost Product Key on Windows 11/10/8/7? 5 Methods for Help - EaseUS

Microsoft support 'cracks' Windows for customer after activation fails

3 Simple Ways to Activate Windows 11

You Can Activate Windows 10 Creators Update with Old Windows License Keys

Windows 10 Help Forums

Microsoft Ending Windows Activations Using Windows 7 and 8 Keys

How to install and activate Windows 10 using your Windows 7 or Windows 8 product key – South Jersey Techies

How to Deactivate Windows 10/11 by Uninstalling Product Key - MiniTool

Windows Hack Gone: Microsoft to Prevent Old Product Keys from Windows 7, 8 to Activate New Installs