Age Of Empires 3: Complete Collection Free Down... Here

If the free trial isn't enough, you have a few options for the full experience:

I just realized that AoE3 (not DE) has been delisted from Steam Age of Empires 3: Complete Collection Free Down...

: This is a rotating free-to-play version that gives you access to a limited pool of civilizations (3 at a time), a selection of maps, and the first act of the campaign. If the free trial isn't enough, you have

: Microsoft removed the original title from digital stores like Steam and the Windows Store to focus support on the Definitive Edition. : If you already own the original game,

While there isn't a permanent "free download" for the full (the 2007 original version), you can legally play the modern version for free.

: If you already own the original game, you can still download and play the single-player campaign and local skirmishes. Legitimate Ways to Get the Full Game