Spread all of the parts and components out in an open area. Position the legs of the chair so that the grooves are toward the inside of the chair. Insert the metal nuts into the slots on the sides of the base cross bar. Connect the base cross bar to the mounts on the bottom of the legs using the hardware provided and the Allen key from the kit.
Install the metal crossbars between the legs of the chair using the screws and Allen key from the kit. Install the metal nuts into the slots on the curved backrest plates.
Install the curved backrest plates onto the legs of the chair at the top of the chair using the Allen key and the screws from the kit.
Position the seat base so that the curved section is toward the back of the chair, then slide it into the grooves on the legs of the chair. Pick up the chair and place it on a flat surface. Re-tighten all of the screws using the Allen key from the kit.