Have you found a good Wotlk server? Download Wotlk client here for free! (Wrath of the Lich King) 3.3.5a download. You need to extract them from the zip file and update your realmlist to the server (learn how to change realmlist.wtf).
Download links:
MAC:
Looking for good Wotlk server? View our list of Best Wotlk Servers.