Drill the top screw into wall where you want to install the Window Blind. Be sure to tighten firmly since the top screw holds the majority of the weight of the Window Blind. Then drill one screw into the lower hole of each bracket. View off the Window Blind brackets after they are installed. Install head rail. Place the front edge of track into the front edge of mounting brackets as shown then snap the back side of head rail into place. Make sure it clicks.