Turn off the water supply to the toilet
Flush the toilet to empty the tank
Disconnect the toilet water supply line from the tank
Install the bidet T-adapter onto the toilet fill valve
Reconnect the toilet water supply line to the T-adapter
Attach the bidet hose to the T-adapter
Attach the other end of the bidet hose to the bidet
Secure the bidet seat or attachment onto the toilet according to the model instructions
Turn the water supply back on
Check all connections for leaks
Test the bidet spray and adjust the pressure if needed