If you have acquired the Empire Earth Gold Original Plus Art of Conquest Fitgirl Hot repack, here is the standard installation flow:
Post-Installation Fixes (Crucial for Win 10/11): The FitGirl repack usually includes the "dgVoodoo2" wrapper. After installation: empire earth gold original plus art of conquest fitgirl hot
Old RTS games like EE have issues on modern systems. Do this after installing: If you have acquired the Empire Earth Gold
If you just want to play without hassle: Post-Installation Fixes (Crucial for Win 10/11): The FitGirl
The FitGirl repack is essentially the same as the GOG version, just compressed.