Ensemble Studios has also issued the fourth patch for The WarChiefs, bringing to v1.04 the expansion for Age Of Empires III (press 'read more' for changelog). A playable demo can be found here.

Age of Empires III: The WarChiefs v1.04 English Patch (19.48MB)

Age of Empires III: The WarChiefs v1.04 German Patch (18.95MB)