: Because the game is no longer officially sold or supported by Ubisoft, it is often hosted on "Abandonware" sites. These communities archive old software that is no longer commercially viable.
While you are looking for a "free download full version," it is important to distinguish between legal "abandonware" and piracy:
: Before each mission, you must select your operatives, choose their equipment, and map out detailed waypoints and "Go Codes" for your teams.