All you need for tools is a flatt screwdriver, a socket wrench and a 12mm deep socket.
Pop off the button with the flat screwdriver and remove all the pieces inside until you find this nut.
Pop off the top plate with the flat screwdriver and remove it.
Slide the boot over the shifter plate and put the knob back on.
Now just put the button and spring back on and put the cover back on and your done.