All you need do is use the telephone activation option. See this link from
my website:
http://vistasupport.mvps.org/product...ady_in_use.htm
--
--
John Barnett MVP
Associate Expert
Windows Desktop Experience
Web:
http://xphelpandsupport.mvps.org
Web:
http://vistasupport.mvps.org
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"SuperTongue" <SuperTongue@discussions.microsoft.com> wrote in message
news:64373568-3A60-480D-956B-DBC8F3456810@microsoft.com...
>I recently received a new computer with all new parts that had Windows XP
> Media Center Edition on it. I had my copy of the upgrade disc for Windows
> Vista Home Premium and wanted to upgrade.
>
> Well now Windows is telling me that my Product ID has expired and when I
> try
> to re-enter the ID it says it is not valid, even though it is a legitimate
> copy of Windows Vista.
>
> I did have this installed on another computer but then reverted back to XP
> for other reasons. Is there any way to get my system registered without
> buying another product key?