You can't install both versions with the same product key. If you want to
install the 32 bit version then you need another product key. As Microsoft
volume licensing starts at 5 machines you will not be able to simply buy a
further license; instead you will have to buy a complete copy of the
operating system.
--
John Barnett MVP
Windows XP Associate Expert
Windows Desktop Experience
Web:
http://www.winuser.co.uk
Web:
http://www.silversurfer-guide.com
Web:
http://xphelpandsupport.mvps.org
Web:
http://vistasupport.mvps.org
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"bratboy" <> wrote in message
news:34EC1395-8085-4F50-A26C-...
> I purchased Vista Premium with SP1 which came with both the 32 bit and 64
> bit
> dvd's. I'm currently running the V64 version but I have a few needed apps
> that just won't run on the 64 bit system. I was wondering if I could
> install
> the x32 bit and set up my computer as a multiboot setup using the same key
> or
> would I have to buy another key to have both versions of the OS on the
> same
> computer?
>
> If no one knows what the rule is and has a CS phone number I could call to
> ask about this I'd really appreciate the help.