How can i transmute windows 7 endorse to my at installed vista conversant with premium?

I installed Windows 7 Keygen over a factory installed Windows 7 Key, I want to go back to the vista as the 7 isn't fully compatible.Does anyone know if i can get the original installation of vista back? I have asked if i need to buy a Windows 7 Serial Key but was told no....anyone know more on this subject ? Any advice greatly appreciated.
Sign In or Register to comment.