How can I fix a leaky outdoor faucet?

To fix a leaky outdoor faucet, you can start by turning off the water supply to the faucet. Then, disassemble the faucet and check for any worn out or damaged parts such as the washer or O-ring. Replace any faulty parts and reassemble the faucet. Finally, turn the water supply back on and test the faucet to ensure the leak is fixed.