1. Turn off the water Supply

2. Empty all the water from the toilet tank

3. Remove/Unscrew the toilet seat

4. Place the Bidet on the toilet seat

5. Screw the toilet seat back on

6. Unscrew the water supply hose

7. Place the black washer inside the T adapter

8. Make sure the washer in pushed to the bottom

9. Screw the T-Adapter into the toilet tank

10. Screw the water supply hose into the T-Adapter

11. Check the Bidet hose, make sure it's undamaged

12. Screw one side of the Bidet hose into the T-Adapter

13. Screw the other side of the Bidet hose into the Bidet

14. Turn the water back on

15. Test the bidet, make sure there are no leaks