•Turn off the water, drain the remaining water.
•Unscrew the supply lines from the old faucet (wrench, basin below).
•Unscrew the mounting hardware under the sink.
•Remove the old faucet.
•Install the new one with gaskets.
•Tighten the mounting hardware.
•Connect the supply lines (do not overtighten).
•Turn on the water, check for leaks. It is better to replace the supply lines with new ones.