1. Unscrew the top back upholstery screw on the left side of the chair.

2. Unscrew the second screw down from the top of the back upholstery on the left side of the chair,

3. Separate the back upholstery from the back post.

4. Slide the mounting plate of the STDS834 between the back post and the back upholstery.

5. Tighten the two back upholstery screws.

6. The STDS834 anti-theft device is now installed and the chair is ready for use.