Purple_RainxIs there a way I can remove Media Center then? Or because my PC is the MC Edition it can't be removed?
If you want to remove Windows XP and install Windows 7 see Windows Reinstallation Guide and Related Wikies:
http://philipyip.wordpress.com/dell-community-forums/
This will instruct you in how to upgrade to a more version of Windows. State your model of Desktop for more specific advise.