MS website has detailed information about procedure involved to install 64 and 32bit versions of vista including info on upgrading from the previous OS.
Installation choices for consumer versions of Windows Vista (32-bit only)
Installation choices for 64-bit consumer versions of Windows Vista
I hope you find it useful
Installation choices for consumer versions of Windows Vista (32-bit only)
Installation choices for 64-bit consumer versions of Windows Vista
I hope you find it useful
Facebook
Twitter