Nope, if you have a lot of data on it, I suggest you use the Back up Files
features (not Complete PC Backup) then use Advanced Backup in Home Premium
to restore them.
--
Andre
Blog:
http://adacosta.spaces.live.com
My Vista Quickstart Guide:
http://adacosta.spaces.live.com/blog...3DB!9709.entry
"Full Name" <> wrote in message
news:...
>
>
> I have Vista Ultimate installed as a trial version. It is now 5 days
> remaining before I have to activate Vista.
>
> Recently I purchased Vista Home premium and want to "downgrade" my
> current version to Home Premium.
>
> Is it possible to downgrade from my current version of Vista Ultimate
> to Vista Home Premium without installing the system again.
>
> Thanks
>
>