Step 1a [torrent]
Using a torrent client such as uTorrent you can download the ready-to-go client (2.4.3 including patches, add-ons and realmlist) directly using this torrent. Start with WoW.exe
If you don't know how to download using torrents, read this guide.
If you use the torrent, go to step 3 now.
Step 1b [direct download]
Download WoW Leviathan 2.4.3
CAUTION! When downloaded, please do not use the launcher as it will attempt to update to the live servers! Instead, please be sure to use the WoW.exe application.
Create an account. If you already signed up for our realm, please be sure to join our community forums also!
Launch World of Warcraft with WoW.exe, not with Launcher.exe.