Can I re-install my Windows Vista if I change my hard drive?

I檝e got Windows Vista Ultimate, if I upgrade my main hard drive in my computer will I be able to re-install Windows on it with my existing serial number?Can I re-install my Windows Vista if I change my hard drive?Yes, you can. Microsoft will only allow the serial to be activated on 1 pc at a time, so vista will become deactivated on your old hard drive, but will work just as new on the new hard drive.Can I re-install my Windows Vista if I change my hard drive?As long as you have the install DVD or recovery disk, yes.Can I re-install my Windows Vista if I change my hard drive?u shud have no problems