Your Windows 10 product key serves as proof that you actually own Windows 10, and might need to be entered when you reinstall ...

Facepalm: Microsoft is investigating a new activation issue that is affecting many Windows 10 and 11 PCs. The problem seems to have cropped up last month after the company pushed out an update to plug ...

Microsoft has released the KB5048652 cumulative update for Windows 10 22H2, which contains six fixes, including a fix that prevented Windows 10 from activating when you change a device's motherboard.

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 this ...