The setups are typically under 100 MB (the full game is ~450-500 MB), crash on level 3, or install browser hijackers.
Finding a safe, legal "free download" for Project I.G.I.: I'm Going In free download project igi 1 game setupexe best
When downloading the game, you might come across a setup.exe file. This is a common installation file for Windows applications. The setups are typically under 100 MB (the
If you want a similar free, legal FPS experience, try: crash on level 3