To learn Avril Lavigne - Fly chords, your first step should be understanding these chords - F#, C#, D#m, B, F#, D#m and F# in sequence. Start with a comfortable 62 BPM and as you become proficient, aim for the song's BPM of 124. Adjust the capo based on your vocal range and chord preference, keeping the song's key of F# Major in mind.