in the library when you click on mount and blade warband, across from the title, on the right side theres a list of options one of those is 'cd-key' click on it and it'll show you your key. Mount & Blade: Warband is a stand alone expansion pack for the game that brought medieval battlefields to life with its realistic mounted combat and detailed fighting system. Mount & Blade: Warband is the eagerly anticipated stand alone expansion pack for the game that brought medieval battlefields to life with its realistic mounted combat and detailed fighting Mount and blade warband viking conquest serial key : Mount and blade warband viking conquest serial key.