Vista Ultimate 32bit or 64bit?

  SteadyEddie 20:14 04 Feb 2009

I am intending to instal Vista Ultimate. Currently running XP Pro which is an upgrade from NT 4.0. Can I use the upgrade version of Vista or will I have to do a clean instal? Does the retail box of Vista Ultimate contain both 32bit and 64bit versions or are they separate versions?

  brundle 22:50 04 Feb 2009

I don't know if you can do an upgrade but I would recommend a clean install.

From here ( click here ) , very well worth a read; "Tip: Windows Vista Ultimate comes with both 32-bit (x86) and 64-bit (x64) versions in the box, on separate DVDs; purchasers of other retail 32-bit Vista versions can order the 64-bit version from Microsoft for a nominal fee."

  brundle 23:48 04 Feb 2009

My OEM version only consisted of the 32 bit version, btw.

  Kevscar1 06:54 05 Feb 2009

Depends on how much memory you have. Not worth having 64 bit if you have less than 4Gb

  SteadyEddie 14:51 05 Feb 2009

Brundle / Kevscar
Thanks guys, the info was much apprecated. Wil do some more soul searching before making final decision.

  Teaboy 17:04 07 Feb 2009

I agree with Kevscar. I have access to a 64bit with 4GB memory, and own a 64bit 8GB, which leaves the 4GB way behind.

  Bad_Boy1022 18:29 09 Feb 2009


one it has to be a clean install. Which vista 64 bits are you installing rc1 or rtm? be careful, one of them would not recognise nvidia card if you 4 gb, you get the irq less than equal. the trick is to remove 2 gb, and do the install, update the latest nvidai drivaer, and sp1, then put the extra mem.

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