No, you cannot install in this manner; I'm not sure you have a supported
upgrade option available to you since you can't upgrade any 32-bit OS to a
64-bit OS.
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Richard G. Harper [MVP Shell/User]
rgharper@gmail.com
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"Robert V" <RobertV@discussions.microsoft.com> wrote in message
news:0833B23D-9E29-4E8C-AFC7-B164A10E53E4@microsoft.com...
>I have Windows Vista Ultimate upgrade which came with both 64 and 32 bit
> versions. I installed the 32 bit version over Windows XP Home. I would
> like
> to try the 64 bit version. Can I install the 64 bit version over the 32
> bit
> version and if so how do I convert the licesene. What would be the best
> way
> to install the 64 bit version.
> --
> RLVaughn