What are the steps I need to take to fix this outdoor faucet leak? Would I need to turn off the(02)

What are the steps I need to take to fix this outdoor faucet leak? Would I need to turn off the(02)

Video Screenshot Gallery: External Faucet Leaking

Repair Leaking Outside Water Faucet 12 Ways To Stop A Leaking Faucet
Repair Leaking Outside Water Faucet 12 Ways To Stop A Leaking Faucet
What are the steps I need to take to fix this outdoor faucet leak? Would I need to turn off the