Ken Blake, MVP

On Tue, 14 Aug 2007 13:22:02 -0700, Yurba
<Yurba@discussions.microsoft.com> wrote:

> Would like to uninstall Vista Ultimate from my laptop and install Windows XP
> Professional.


OK, but downgrades aren't supported. You have to do a clean
installation of XP.


> May I use an upgrade version of Windows XP Pro?


Yes, but you still have to do a clean installation, not an upgrade.
You will have to have a CD of a previous qualifying version to show it
as proof of ownership when prompted.


> Any chance that I'll lose data in the process?


Not a chance, but a *guarantee*. That's what a clean installation is.
Everything on the drive will be gone.


> How can I manage the uninstall and still keep the Vista Ultimate for
> installation on another machine in the future?


Keep the Vista DVD.

--
Ken Blake, Microsoft MVP Windows - Shell/User
Please Reply to the Newsgroup