hmmmm...well I would *assume* it has to be a 64bit machine. I'm "Mr. Cheap" (according to girlygirl anyway) so I've never had a 64bit machine.

>No, my question is more along the lines of is there any reason hardware-wise that I cannot uninstall 32 & reinstall 64? How do I know it will work?
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>>If you mean do an upgrade you can't do an upgrade install from any 32bit windows to 64bit as far as I know. Plus I would think it would be quite a pain in the neck because aren't all the drivers and such going to be different?
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>>>I have WinXP 32 Bit on my laptop. Can I install WinXP 64 bit?