how can i swith world?!

[lieven owns]

i am a beginner and i dont know how i can with world, i need to have premuim but i havent. how can i swith world?!
please help me

[Sp33d Angel]

Download the client , enter your username and password.
the ip is : play.dodian.com
OR
play2.dodian.com

[Guthan]

There is only one Uber Server world.