Their version is pre-patched to work on Windows 10 and 11, which saves you the headache of manually hunting down community fixes. What’s new in the expansion?
You can now take your civilization beyond the Digital Age and into the stars (including Mars). Empire Earth: The Art of Conquest Free Download
You get access to Japan and Korea , each with their own unique abilities and units. Their version is pre-patched to work on Windows
You might need to enable "Legacy Components" (DirectPlay) in your Windows features settings. Empire Earth: The Art of Conquest Free Download
If you haven't played the expansion specifically, it adds some major features:
They specialize in "Gold" editions that include both the base game and the Art of Conquest expansion.