Windows, 1 key, 32-bit to 64-bit

[Turbonium]

I have an OEM copy/key of Vista Business Edition 32-bit.

Can I use the same copy's key and use it to for Vista Business Edition 64-bit?

 

[smakme7757]

Yea you can.
http://answers.microsoft.com/en-us/...h-32-bit/70d546cd-b6e3-44d8-a6c8-fd7feb7d1915

That goes for Windows 7 and up.

 

[Insert_Nickname]

No problem, Vista keys work on both x86 and x64 versions.