What do you need ? you wanna play on a Pserver or wanna make a own Pserver?
If you wanna make a own Pserver,then check this guide (i sended you over pm or i would get a infra again -.- )
If you wanna play on a Pserver you dont need a Guide,all you need is Wow(in the Version you want to play) and the ip from the Pserver..check this List
here,there you will find a Server and the How-to connect to it