You can upgrade to Windows 11 or Windows 10 from Windows 7 or Windows 8.1 even now for free! Microsoft offers you a simple method to upgrade from the previous version ...

For a limited time, you can get a Windows 11 Pro license for just ... It also means you can buy a Windows 10 license today and receive the free Windows 11 upgrade later. At this price, the deal ...

Since Windows 11/10 Pro offers even ... The last product key you entered can’t be used on this copy of Windows (0xc03f6506). But it can also appear during the Upgrade process itself.