There is no legitimate "exclusive full version" of Empire Earth 2 available for free that includes "extra quality" patches or features beyond what the original developers released. The game is still under copyright by Activision/Blizzard (and previously Sierra Entertainment). Any site offering a "free full version" is almost certainly:
" is the definitive version, including both the base game and the expansion. GOG.com : You can purchase the DRM-free Empire Earth 2 Gold Edition There is no legitimate "exclusive full version" of
Here is everything you need to obtain the definitive version of this RTS classic. Why Empire Earth 2 Still Holds Up There is no legitimate "exclusive full version" of