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PC FORUM WINDOWS 8.1 SERIAL KEY SERIAL
PC FORUM WINDOWS 8.1 SERIAL KEY UPGRADE

PC FORUM WINDOWS 8.1 SERIAL KEY SERIAL

I used a valid win 8 pro key in the win 8.1 and it doesn't work, sometimes the system tells me that is unable to reach a KMS server, other times it tells me that the serial is invalid I'm VERY upset about the issue of activation keys of win 8 and WMC and win 8.1 It won't even allow me to proceed with the installation past the point where you have to enter the license key. So it is not really the activation that fails. I am using this Windows 8.1 RTM TechNet-media: sv_windows_8_1_圆4_dvd_2707384.iso I'm using 64-bit editions of Windows Vista, Windows 8 Pro and Windows 8.1 RTM.

PC FORUM WINDOWS 8.1 SERIAL KEY UPGRADE

In all these cases it fails when entering the Windows 8 Pro upgrade key at the Windows 8.1 RTM installation with a message that the key is not valid for this Windows edition.

Upgrading a Windows 8 Pro installation with Windows 8.1 RTM using TechNet key (works fine) and then change the key to the Windows 8 Pro key.

Clean installation of Windows 8.1 RTM with TechNet key (works fine), and then change the key to the Windows 8 Pro key.

Upgrading Windows Vista Business to Windows 8 Pro (works fine) and then upgrade that Windows 8 Pro to Windows 8.1 RTM.

Upgrading a Windows 8 Pro installation with Windows 8.1 RTM.

Clean installation of Windows 8.1 RTM on empty HDD.

So, the questions remains What is the procedure to upgrade Windows 8 Pro (upgraded from Vista) to Windows 8.1 RTM Pro? I dont mind erasing the disk to

Thanks for your reply colakid, but I can still not get that to work with the Windows 8 Pro upgrade key.