“All Along The Watchtower” is just the same 3 chord progression throughout (Am, G, F, G). That makes it easy to learn!
Most of the content of the song is delivered lyrically- unless you’re talking about the Jimi Hendrix version. In that case, please insert multiple guitar solos.
The chord and lyric sheet included below suggests using a capo at the 4th fret. That’s purely voluntary. The use of the capo would just transcribe the song to the original key as performed on Dylan’s original recording. You can play in any key you want.
Chords And Lyrics PDF for “All Along The Watchtower” by Bob Dylan
Click the link below to view and download a PDF with the complete chords and lyrics: