You are folding the front wheel (elegantly) back and hook it on the rear frame.
(This is the most difficult part for beginners. In the title banner you see a detailed view of this action).

Right!
Now you're advanced a great step, for the rest is simple. It is true that you can't make any mistakes, but the speed depends a bit from the way you proceed.
What do you want to do?
Folding the handlebar
Moving the saddle down
Lift pedal & fold it