First of all, you must create an account. The account is used to log into the game.
Erase all text contained in the realmlist.wtf File and change it to: set realmlist duskhaven.servegame.com
Get our Custom Patch which is required to play here (Put it into your Data Folder after you are done with installing). You can directly download the 3.3.5 Client by clicking on the Link next to the Box