You would need to do a clean install. An illustrated guide can be found on
my website:
http://vistasupport.mvps.org/install_windows_vista.htm Always
useful if you have never install Vista before.
--
John Barnett MVP
Associate Expert
Windows - Shell/User
Web:
http://xphelpandsupport.mvps.org
Web:
http://vistasupport.mvps.org
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"cute_guy" <> wrote in message
news: ups.com...
> hai...
> i've got vista ultimate 32 bit os installed on pc...
> could anyone plz..tell me how to upgrade it to 64 bit one?
> and my is original one.
>