Shut off the water supply to the bathroom
faucet. Remove the old faucet and clean the sink surface. Install the gaskets or plumber's putty (if required) onto the new widespread faucet. Place the handles and spout onto the sink in their respective locations. From underneath the sink, secure each handle and the spout using the provided mounting hardware. Connect the water supply lines to each handle. Turn on the water supply and check for any leaks. Test the functionality of the faucet handles and adjust the water temperature as needed.