First one attaches the "frame" of the holder on the wall.
Through the long slots subsequent correct no problem!
Then you screw the 2 "perforated sheets" to the TV. The holes fit perfectly.
Then you should adjust the angle at which you want to have the TV in advance, since you later bad to the 2 wheels to tighten comes (space between TV and mount a little tight).
Then you hang the TV above in the "frame" on the wall and turns from the bottom 2 screws.
Now he hangs bombproof on the wall.
The holder makes a very strong impression.
This holder does not need to hide from expensive mounts.