1. Go to your Documents\My Games\Unreal Tournament 3\UTGame\Config folder.

2. Find UTEngine.ini and delete it (OR open it up and delete the [OnlineSubsystemGameSpy.OnlineSubsystemGameSpy] section).

3. Run UT3 and it will ask you for a CD key.  Enter LQ4C-67UR-MY6R-85DZ

4. Connect to our server.