If Vista came installed on the PC, it is not a retail (boxed) version, it is an
OEM version and you will have to contact the PC manufacturer to see if you can
obtain the 64-bit version of Vista


I Bleed Blue and Gold
GO BEARS!


"rrdToledo" <rrdToledo@discussions.microsoft.com> wrote in message
news:1AEC61D0-2820-4C52-A0EF-72889E7B2E9A@microsoft.com...[color=blue]
> How can you upgrade to 64bit Home Premium Vista from a retail version 32 bit
> Home Premium version that cam with the PC?[/color]