Do you have to install Burning Crusade or is it included in a patch
Do you have to install Burning Crusade or is it included in a patch
Burning Crusade (and Wrath of the Lich King) is an expansion pack to World of Warcraft. When you upgrade to Burning Crusade/Wrath of the Lich King, you are actually upgrading your account, not the software. The client is automatically updated when expansions come out.