Extract to CLEO folder.
Press and hold ("sprint"+"crouch") button and release to jump. The longer you hold the higher you will jump.
Press "crouch" button while airborne to continue jumping even after you hit the ground.
Press "sprint" button to stop the jump and free fall.
You can control the direction of jump by changing the direction you are facing. You can even jump on water.
Temporary download link:
I intentionally kept damage to make it look realistic, but if you say so, I am uploading another file in which your life will be restored to what it was before the jump. It will be ready to download as soon as it is approved (already uploaded).