Hold headboard upright near its desired placement.
With metal face of side rail facing inward, insert one end of the side rail into the headboard by slipping the round metal connectors into the round holes on the headboard. Tap with rubber mallet to ensure locked position. Repeat process with other side rail.
Attach rails to footboard in the same manner as headboard.
Place metal slats onto the side rails by matching the slots in each slat to the rivet on the side rails.