For example, if you have a license for the Windows 11/10 Home edition, you cannot use it to activate Windows Pro or other ...

This upgrade license will work on an activated copy of Windows 11 Home. It’s also backwards compatible, so it’ll transform a Windows 10 Home license to Pro if your PC doesn’t meet Windows 11 ...

When you buy a copy of Windows 11/10, you get a product key. This key is used to activate Windows on your computer. It’s a 25-character product key, and it’s important that you keep it noted ...