^^ torrent is the way to go
I had word on my computer, it was like xp professional, and then i had word 2003 as well... i dont know why i had two different ones, but the one i normally use wasnt the default for opening up documents, so every time i opened up a doc, it would ask me to register it and it didnt work... so i tried to uninstall that verision, and it messed the other one up so now i couldnt open anything.
So i uninstalled all the verisions of word i had, completely, went and found a good torrent, got word 2003 (im used to it, i dont want a new version), installed and got a cd key and was done within minutes and havent had a problem since