World of Warcraft: The Burning Crusade, often referred to as TBC or BC is the first expansion pack for the MMORPG World of Warcraft.
It was released on January 16, 2007 at midnight in Europe
and North America, and sold nearly 2.4 million copies that day to people
who waited over night in long lines to get the expansion, making it the
fastest-selling PC game in those regions.
The CD-Key is for the EU server.
You can register it on your WoW Battle.net account to download and play the game.
Note that you need WoW original to play WoW: TBC.
You will receive a photo of the CD-Key within 12 hours of cleared payment to your DGK account email.