hi, i have bought a laptop that came with Windows Vista(original no hack), but when Windows 7 came out i made a second partition on my internal HDD and installed an illigal version of Windows 7 Enterprise on it. So i had a dualboot with Windows 7 and Windows Vista When i activated Windows 7 and booted up vista to see if vista still worked, it said that i had to active Windows Vista (it was activated before). so i did (via youtube) but when i booted Windows 7 up, Windows 7 said that i had to activate it but i just activated Windows 7. Simple version: i only can activate 1 OS, if i activate Windows 7, Windows Vista will be deactivated, if i activate Windows Vista, Windows 7 will be deactivated. any help ? BTW: please keep it simple i'm just a average computer user.