1. First fix the horizontal rack on the wall and mark the position of the holes.

2. Then, use the hammer drill to make four holes in the wall according to the marks just drawn.

3. Hit the prepared expansion tube into the hole in the wall with a hammer.

4. Fully insert the expansion tube into the hole, and then screw the nut into the matching expansion tube.

5. Install the vertical bracket on the back of the TV.

6. After installing the vertical bracket on the back of the TV, you can fix the vertical bracket to the wall bracket and you are done.