It was no problem. You can see the adhesive where most of the spacers go on the old top frame. Most of the spacers go on the sides of the clips.
And you can also see alot on the guide pictures.
When you take off the top frame, most of the spacers get pushed all over the place or fall off and it's like what the ....
Only put the one curved spacer on the top left. Do not also put a small one there too. I did, and that corner stuck up a little but I could live with it.