Gt stairs

I am trying to learn GT stairs by Petr Kavka. I understand what he is doing, but it’s to fast, does anyone know if there is an actual tutorial explaining the trick? I did notice the beginning is like a part of “and whut”, so should I learn that first as well?

I like to save the tutorials. Then play them at half speed. Understanding every move. Watching it 4 or 5 times before I even start learning.

Baby steps. Totally works.