Grip the bottom of the door. Lift. Move the bottom pivot out of the bracket.
Twist the pivot clockwise to raise the door. Twist it counterclockwise to lower the door.
Lower the pivot into the bracket. Release the door.
Twist the top pivot bracket screw loose.
Move the bracket back and forth along the track until the door is level.
Tighten the screw.
Sit inside the closet. Close the doors fully.
Place an aligner level on the doors. An aligner consists of two pieces. It forces the center of two bi-fold door panels to meet in the middle. One aligner piece should sit on the edge of one door with the other piece on the opposite door.
Position the aligner 6 to 12 inches from the floor.
Hook the aligner pieces together.
Tighten the screws.
Open the doors and step outside. Close the doors. If the doors do not close tightly and have an even reveal between them, reposition the aligner.