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  1. Windows 10 Can't validate 8.1 reinstallation, keycode issue

    PC 64bit / Windows 8.1 Problem My validated Windows 8.1 Pro Preview hard drive failed. New drive, reinstalled Windows 8.1 Pro Preview but it wont validate. I have about 8 keycodes from various installations, but this one won't validate using any of them. I'd like to just jump to Windows 10...