Hello folks, maybe this one is useful for you.. First of all, Windows 8 to go running from a VHD(x) can not be upgraded and you have to add a VHD file to a Hyper-V VM if you want to upgrade it. 1) Make sure you have the correct language pack installed in advance (if … Continue reading Tip: Upgrading a Windows 8 VM to Windows 8.1 on Hyper-V