The tuning is standard tuning E A D G B E.
This is a great song to learn for any upper-beginner level player and above. All of the chords are open position chords making them easy to play. There are a few of them that are seventh chords, but those are still simple to play as well.
You will basically have three chord progressions to learn and some chord voicing variations.
I have seen multiple versions of Noel Gallagher performing the acoustic version of "Live Forever". He changes some of the chord voicings from time-to-time, so I will demonstrate those just in case you like the sound of them.
I hope you enjoy learning yet another great song from Oasis!
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