Turn off the hot and cold water supply valves
Open the faucet to relieve pressure and drain remaining water
Place a bucket or towel under the sink
Remove the old faucet supply lines
Disconnect the old faucet mounting hardware
Lift out the old faucet
Clean the sink surface and remove old sealant
Install the faucet gasket or apply plumber’s putty if required
Insert the new faucet into the sink holes
Secure the faucet from underneath with the mounting nuts or bracket
Tighten the hardware evenly
Connect the hot and cold supply lines to the faucet
Connect the supply lines to the shutoff valves
Tighten all connections with a wrench
Turn the water supply back on
Check for leaks at all connections
Tighten any leaking fittings
Run the faucet to flush out air and debris
Recheck for leaks after running water
Install the drain assembly if needed
Clean up the work area