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 drips
Disconnect the supply lines from the faucet
Remove the drain stopper rod if it blocks access
Loosen and remove the mounting nuts or brackets securing the faucet
Lift the old faucet out of the sink or countertop
Clean the sink surface and remove old putty or residue
Install the new faucet gasket or apply plumber’s putty if required
Insert the new faucet into the mounting holes
Secure the faucet from underneath with the provided nuts or brackets
Reconnect the water supply lines to the new faucet
Reattach any drain stopper components if removed
Turn the water supply valves back on slowly
Check for leaks at all connections
Tighten fittings if needed
Run the faucet for a minute to flush out debris
Confirm hot and cold water flow and proper operation