If you open add/remove programs,scroll to the bottom of page,thier shoul
be an icon letting you go back to ME,why anyone would want to though i
beyond me.
You can't uninstall XP and go back to ME unless you upgraded to XP and
selected the option to save the old OS. Look at Add and Remove Programs on
the Control Panel. If XP is listed, you can uninstall it. If not you will
have to format the hard drive and reinstall ME.