Connect the dishwasher to the water input (the faucet) and a water outlet where the dirty water can drain. The drain is usually the sink. The dishwasher will come with a hose and connector so that you attach to your faucet to get it to work.
Pull the hose out from behind the dishwasher. Position the dishwasher in the best spot on the counter so that the hose can be attached to the tap. Pull down the black ring on the connector and slide the end over the tap.
Release the ring so that you hear a click. This sound indicates that the connector is correctly attached to the faucet. Give it a firm tug to make sure it's attached.
Turn on the hot water. No water should leak in the sink. Plug in the dishwasher. Adjust the settings to match whatever load of dishes you're cleaning.
Turn the countertop dishwasher on. You should hear it begin to fill up with water. In a few minutes dirty water will drain into the sink from the rinse cycle. When the cycle is complete, the machine will turn itself off.
Turn off the water, drain any stored water in the connector by pressing the red button on the side and return the hose to the back of the countertop dishwasher. Unplug the dishwasher and move it to a more convenient spot on the counter.