Silly question i suspect
but here we go.
i have an oem vista 64 disc and code bought from here, but have resantly moved to windows 7 64. My fathers computer has just gone pop needing a new mobo and hd , which i have just orderd from here . AS he has a core 2 duo i want to install the 64 bit os. will microsoft allow activation ??? he only has a 32 bit licence but with the changes it will be noticed as a new machine anyway i would imagine ???

i have an oem vista 64 disc and code bought from here, but have resantly moved to windows 7 64. My fathers computer has just gone pop needing a new mobo and hd , which i have just orderd from here . AS he has a core 2 duo i want to install the 64 bit os. will microsoft allow activation ??? he only has a 32 bit licence but with the changes it will be noticed as a new machine anyway i would imagine ???