If you have a Windows 11/10 PC, but without any activation, all you need to do is buy a license ... key, its best to use it. Lastly, if you already have any of these versions, especially Home ...

The best explanation I can suggest is that because I upgraded from Home ... the license to another computer. What should I do if I lose my product key after purchasing Windows 10?

Note that each edition of Windows uses its own unique product key. For example, if you have a license for the Windows 11/10 ...

If you upgraded from a previous version of Windows to Windows 10 for free, you should see a digital license rather than a ...

If these methods do not work for you, you can also use some free Software Key Finders to recover and save, not just Windows, but even Office, Software, Games serials and license keys. This post ...