No, you cannot "upgrade" XP Pro to XP Home.
Games should play equally as well on either system.
You need to inform us of the specific issues you
are having with games running on XP Pro in order
to offer some troubleshooting suggestions. Perhaps
you are having some sort of hardware or driver issue
related to the video adapter.
Windows Game Advisor
http://www.microsoft.com/windowsxp/using/games/gameadvisor/default.mspx
How to ask a question
http://support.microsoft.com/default.aspx/kb/555375/en-us
--
Carey Frisch
Microsoft MVP
Windows - Shell/User
Microsoft Community Newsgroups
news://msnews.microsoft.com/
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| We have run into a problem where games we run on XP home run fine, but won't
| run on XP Pro. Can I just go purchase a new xp home upgrade and "upgrade" the
| Pro machine and solve the problem. My sons are really unhappy with this
| machine and I don't want the games on my machine.