Just ensure that you have any necessary drivers to hand that you may need.
Vista can usually has the necessary drivers, but it is always best to have
the originals available just in case. Other than that all yu need do is
re-install. Rick has already mentioned about activation, however, if you
have had Vista premium installed some time on your PC then you 'may not'
have to use telephone activation. I've installed Vista numerous time and
haven't 'yet' had to use the telephone activation; however, as Rick has
pointed out, you should be aware of the potential problems.
You can find more information on installing Vista on my website:
John Barnett MVP
Windows - Shell/User
The information in this mail/post is supplied "as is". No warranty of any
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use of, or inability to use, information or opinions expressed in this
"Catbed" <Catbed@discussions.microsoft.com> wrote in message
>i want to do a clean re-install of vista home premium and reformat my hard
> drive. do i need to do anything to re use my product key? it's going to go
> the same computer as it was before. and do i just boot from the disk and
> choose repair?