Try buying it and not being a cheap a$$. If either one of you had actually read the ToS for the forum you wouldve learned that asking for and giving assistance with pirated software is against the rules.
I thought he had the game and had downloaded the expansion pack i.e. the Downloadable Content. I am not familiar with the game and was not knowingly helping with pirated software. I play mainly WOW on PC and have Xbox for games. In wow you pretty much have to download the game, but you still can't use it unless you pay - well after level 20 anyhow :-)