Alternative genuine versions of Windows 8.1 and 10
Alternative genuine versions of Windows 8.1 and 10
When upgrading, it's best to avoid using unauthorized keys. Changing the product key on your system won't grant you access to Windows 10 if you started with a non-genuine version. Stick to legitimate sources for any key changes.
Purchase from the official site instead of G2A.com. Link provided: http://www.reddit.com/r/microsoftsoftwareswap/
To ensure stability, obtain the Windows 8.1 ISO from Microsoft, perform a clean installation using the official key. For Windows 10, download the ISO and upgrade via it. Your current key will then become a Windows 10 key, ready for future clean installs—this may even eliminate the need for a new key.
Was es auf Windows 7 mit einem Loader funktionieren und auf Windows 8.1 mit KMS?
You bought a Win8.1 pro key recently, but you plan to use it on your KMS 8.1 HTPC. If you attempt to extract the product key from Windows 10, what will happen?