Retailers like Eneba often have global Steam keys for around $52.17 .
Because this is the 2007 version, it is incredibly lightweight and runs smoothly on older hardware: Go to product viewer dialog for this item. Microsoft Age of Empires III ayb00034
Manage your "Mother Country" to send shipments of resources, reinforcements, and technology upgrades via a customizable deck of cards.
Adds three Native American civilizations—the Iroquois, Sioux, and Aztecs—along with new "Home City" content.
The base game, focusing on European powers exploring the "New World".
Though it was delisted from major storefronts like Steam in late 2024 to make way for the Definitive Edition, you can still find digital keys and physical copies:
The Ultimate Historical Strategy: A Guide to Age of Empires III: Complete Collection
Unlike earlier titles, this game leans heavily into the colonial era, featuring powerful rifled infantry and devastating artillery.