Turn off the water supply to the sink
Disconnect the supply lines from the faucet
Place a bucket under the drain pipes
Disconnect the drain trap and any connected plumbing
Remove the sink clips or mounting hardware
Cut through any caulk or sealant around the sink edge
Lift the old sink out of the countertop
Clean the countertop opening thoroughly
Check that the new sink fits the opening
Apply plumber’s putty or sealant as required
Set the new sink into place
Secure the sink with clips or mounting hardware
Reconnect the faucet supply lines
Reconnect the drain pipes and trap
Apply caulk around the sink edge if needed
Turn the water supply back on
Check for leaks at all connections
Tighten any fittings if necessary