Pay special attention to the keypress orders in 5-7
1. Click on alt-button box for Jump, let go of everything (box should be green)
2. Press and hold shift, Press and release space, release shift (box should have shift+space bar)
3. Click on alt-button box for Crouch, let go of everything (box should be green)
4. Press and hold shift, press and release space, DO NOT RELEASE SHIFT (box should have shift+space bar, box should stay green!)
5. Click on primary-button box for Jump, CONTINUE TO HOLD SHIFT (primary jump box should turn green, secondary crouch button should turn back to normal non-selected gray)
6. Press and release Space bar (primary jump box should go back to non-selected gray)
7. Release Shift