Andrew Clancy wrote:
> Hi,
>
> I'd like to upgrade my Window XP Home to XP Pro x64 - can I do this directly
> (over my existing install) or would I need to format & reinstall from
> scratch?
You'll need to perform a format and clean installation, unless you want
a dual-boot scenario. WinXPx64 is an OEM version, so it cannot perform
upgrades. (And even if it were a retail product, I seriously doubt that
there'd be any supported upgrade path from a 32-bit OS to a 64-bit OS.
Look at the messes caused by upgrading the earlier 16-bit versions of
Windows to 32-bit versions. Probably not a mistake Microsoft would want
to repeat.)
--
Bruce Chambers
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