The best place to buy Windows 11/10 is from Microsoft.com ... and you wish to upgrade to Pro, this Windows version upgrade guide is all you need. Now read: Why not to use a Pirated copy of ...
Once installed, you can go to the activation section, and then decide to buy a product key. The cost is usually $199 for Windows Pro and $139 for Windows Home. Unlike Windows 11/10 Pro and Home ...