Remove the old strings one at a time or all at once
Clean the fretboard, bridge, and soundboard
Unwind the tuning machines and remove each string from the tuner post
Untie each string from the bridge
Place the new string through the bridge tie block
Leave enough slack for wrapping at the tuner
Tie the string securely at the bridge
Thread the string through the tuner post hole
Pull the string snug and begin winding
Keep the wraps neat and downward on the post
Ensure the string crosses the nut in the correct slot
Repeat for all six strings
Tune the guitar to pitch gradually
Stretch each string gently and retune
Trim excess string ends if needed