: It is not yet released. You can find the official page on Steam to "Wishlist" the game, which will notify you the moment a setup or demo becomes available.
If you are looking for the latest entry in the franchise, the upcoming prequel is titled . Here is the current status regarding downloads and setups for the series: 1. I.G.I. Origins (The Newest Game) project-igi-4-setup-download
: Avoid downloading any .exe files from unofficial blogs or "free download" sites. Stick to Steam or GOG to ensure the setup is safe and compatible with your PC. : It is not yet released
: This is a prequel currently in development by Antimatter Games and published by Toadman Interactive. Here is the current status regarding downloads and
If you want to play the classic games that lead up to the new release, they are available on digital storefronts optimized for modern Windows setups: : Often found on GOG.com. I.G.I.-2: Covert Strike : Available on Steam and GOG.
: Small, unofficial levels built in modern engines like Unreal Engine. Repacks : Renamed versions of the older games. 3. Playing the Original Games