Vista Installation How many pc's?

[distortia]

How many pc's can i install vista on with the cd key? i bought the retail box with vista premium and ive upgraded one of my pc's and want to do a few more lol anyone know how many with 1 cd key??

Thanks

[Monty007]

Only 1 as Vista will ony acctivate 1 product key.

[taichi2000]

However, I will not post the way because its illegal, but there is a program on the internet that allows installation on many systems.

However that is illegal and you should not do it.