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

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

Email confirmation of the purchase. If you upgraded from a previous version of Windows to Windows 10 for free, you should see ...