IGI 1 game keyboard controls: below are the keyboard controls of the IGI 1 game, you can check and play after seeing all controls.
Also, read – IGI 2 Game Keyboard controls
IGI 1 Default Controls
How to See, Change, and Reset all controls
After seeing the controls, which I have given to you in the upper section, if all controls are not working in your own IGI 1 game, then you can check your all controls of the IGI game on your own computer/laptop. Only you have to watch the below youtube video.