Attach part (6) to part (5) using screw (C) with screwdriver. Attach part (1) to part (2) using screw (C) with screwdriver. Attach part (8) to part (3,4) using bolt (B) with hex key (D). Attach part (9,10) to part (3,4).
Attach part (2) to part (3,4) using bolt (A) with hex key (D). Attach part (5) to part (3,4) using bolt (A) with hex key (D).
Attach part (7) to part (3,4) using bolt (A) with hex key (D).