1. Hinge set2. Insert hinges into the WC pan
3. Tighten the screws of the hinges; Do not over tighten
4. Insert the seat cover onto the WC pan
5. Align the toilet seat and cover with WC pan
6. Take off the seat cover
7. Tighten the screws
8. Cover the stainless steel cap on hinges
9. Insert the seat cover onto the WC pan
10. Easily lift by one push button