1. up arrow (jump) 2. down arrow (crouch) that all you need to know.
thank's for Pale thorn for the video and the costume's . the video for part 1 https://www.youtube.com/watch?v=piQeqMMlgj4 . the video for part 2 https://www.youtube.com/watch?v=42tqWqEDkp0&t=7s