Yes, you will be able to reinstall with 64 bit. Just remember that you can'
upgrade, it must be a clean install.

--
/* * * * * * * * * * * * * * * * * *
* Robert Firth *
* Windows Vista x86 RTM *
* http://www.WinVistaInfo.org *
* * * * * * * * * * * * * * * * * */

"Mike" <Mike@discussions.microsoft.com> wrote in message
news:934622C0-9444-4137-B0E3-9DBE7DDC3684@microsoft.com...
>I currently have Windows Vista Home Premium 32-bit installed on my
>computer.
> However, I have a 64-bit processor and was thinking that it might behoove
> me
> to make the switch to 64-bit for the increased performance. However, since
> I
> have already activated my Product Key, will I be able to uninstall my
> current
> Vista installation to install the 64-bit?