To change a kitchen faucet, you should first turn off the water valves under the sink and relieve pressure in the lines by turning on the faucet. Then, disconnect the supply lines and detach the old faucet. Next, install the gasket and insert the new faucet through the mounting holes. Follow the manufacturer's instructions to mount the new faucet and remount the sink. Finally, connect the supply lines and turn on the water.
Here is a step-by-step tutorial that shows you how to change a kitchen faucet yourself in less than an hour with just a few simple tools . This tutorial includes pictures and detailed instructions.