A: 1. Choose a nearby power source in a cool and dry place, and ensure that no electrical wires, pipes, or other facilities are inside the walls of the installation area; 2. The bottom of the wall organizer should be positioned at 114.5cm from the floor; 3. Mark the holes on the wall in the pre-installation area according to the position of the holes in the wall organizer; 4. Use a 5mm drill bit to drill the holes to a depth of about 40mm, then place the expansion tubes in the drilled holes; 5. Align the screw holes of the wall organizer with the drilled holes on the wall, and use self-tapping screws to secure the wall organizer in place.