Place base against wall in the desired position (depends on cat size, but for an average cat place the bottom of base 15" - 18” from ground) and using a pencil, pen, or sharp object mark through pre-drilled holes
Remove base and using 3/16th” drill bit, drill hole on marks
Hammer in plastic anchors
Line up base with holes and insert screws
Replace carpet insert
To ensure insert is secure with the velcro, press and slide with finger around the insert edges