The public test realms are live! Players can now try out some of the changes and additions coming in World of Warcraft’s next patch, Patch 2.1.0, which features the Black Temple! Read the test realm patch notes to learn more about these updates. To copy a character and download the test realm game client, visit our Public Test Realm page, after reading our Test Realm F.A.Q.
Original post by World of Warcraft Community Site