Turn off the hot and cold water supply valves under the sink
Open the faucet to release any remaining water pressure
Place a bucket or towel under the sink to catch water
Disconnect the water supply lines from the faucet using an adjustable wrench
Remove any mounting nuts, clips, or brackets securing the faucet from underneath the sink
Loosen and remove the faucet base or retaining hardware
Lift the faucet straight up and out of the sink
Clean the sink surface and remove any old putty or sealant
Check the area for leaks or damage before installing a new faucet