Hello very please help.I upgrade with windows anytime upgrade windows 8.1 to 8.1 pro with media center.I use key JK7QT.But key not working.Phone activation system says the instaliation id is not verified.I try disable sound driver and calling again.I enter new instaliation id.But says again the instaliation id is not verified. Need new key windows 8.1 pro wmc for activation with phone.Or there is no new key?Maybe upgrade with dvd to enterprise version?Laptop new asus x550c factory pre installed windows 8.1.Need leave this windows version.
Using MTK with AutoKMS installed will give you permanent activation. Because, every 24 hrs or on every reboot your Windows and Office copy is activated automatically.