If you do not activate your copy of Windows, you cannot change the Theme, wallpaper, etc., from the Windows Settings. However, if it is required for you to change the theme without activating Windows ...

The Software Licensing Service determined that the specified Key Management Service (KMS) cannot be used. What causes Windows Activation Error 0xC004F015? There can ...

Ugh this kinda sucks but I guess it doesn't really matter. I had a bunch of Windows 7 keys from 2009 that have been great with 10 and 11. I get that this free ride is over but it still sucks. It ...

How to activate Windows offline using Microsoft’s text-based options Your email has been sent All current Windows products require activation with Microsoft to confirm their validity and prevent ...

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 ...