Follow this steps to connect to the server
FIRST MAKE AN IN GAME ACCOUNT
(click that button called in game account creation in the top menu)
1. Local Hard Drive > Program Files > World of Warcraft
2.Delete your "Cache" folder
3. Edit the Realmlist.wtf file in Notepad. (Right click.. Edit... Notepad.)
4. Paste these exact words:
set realmlist acmewow.ath.cx
5. Save.
6. Open WoW. If it was already open when you made the change.. close and RE-open it.