The Age of Empires II: The Conquerors update includes several game enhancements and fixes for your copy of Age Of Empires II.
This installment of the strategy classic runs from the fall of Rome right up to the Middle Ages. Age Of Empires II lets you control 1 of 13 civilizations: Britons, Byzantines, Celts, Goths, Teutons, Franks, Mongols, Chinese, Japanese, Persians, Saracens, Turks and the Vikings. If you've played the game before, you'll know how it works - you spend your days gathering resources that will enable you to recruit armies, train soldiers and march forth into battle - or trade. The Age of Empires II: The Conquerors update includes all of the fixes and content of the previous 1.0b update, so you'll only have to update once.
Obviously to be able to use Age of Empires II: The Conquerors update, you'll need a copy of Age Of Empires II already installed.
If you're an AoE II fan, then it goes without saying that the Age of Empires II: The Conquerors update is essential.