http://i.imgur.com/GqQ0wVj.png
WOTLK needs all data predownloaded (contrary to Cataclysm or MoP).
1. Download and install a P2P client. μTorrent download
http://i.imgur.com/naldgrF.jpg
2. Click on the following link. It will not work if no P2P clients are installed on your computer.
Magnet link | Magnet link (old - no WoD skins)
A warning might pop up, just accept it; it is asking whether you want to open the link with the P2P client.
http://i.imgur.com/Amq07Mz.jpg
3. Start the download. Download process might take (a) few hours depending on your download speed.
4. (When download is finished) Downloads are by default placed in the user Downloads folder.
To start the game, open Wow.exe inside "World of Warcraft 3.3.5a (no install). Configuration has already been set up for Warmane.
Do always start the game by Wow.exe!
http://i.imgur.com/Q5jNPjt.jpg