Originally Posted by ottopottomouse

The upgrade disc is the full install it just uses a different key as it's sold as upgrade.

halfpint > get him to back up all his important stuff and then do a full clean format + install.

custom install > delete partition > create partition > format it > install windows

everything will be nuked - needs to save externally his emails,address book,passwords,messenger history,documents,bookmarks,music, etc first.