You cannot use a Windows Vista product key with
Windows XP. You'll need to see if you can obtain
a Windows XP product key replacement as outlined
in this article:
How to replace Microsoft software:
http://support.microsoft.com/kb/326246
--
Carey Frisch
Microsoft MVP
Windows Shell/User
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"Evan" wrote:
When we "upgrade" back to XP from Vista, is there a way to use the Vista
product key to activate XP? I unwittingly tossed XP thinking Vista was the
future and all and now I can't activate XP. I would think Microsoft would
allow us to use the Vista product key seeing as it won't be used for quite
some time most likely.