This is how you play the Amaj9 chord on guitar.
Tune your guitar
Tune your guitar to standard tuning
Index finger: 1st fret, 3rd string.
Place your index finger on the 1st fret of the 3rd string.
Middle finger: 2nd fret, 4th string.
Place your middle finger on the 2nd fret of the 4th string.
Play chord.
Strum all strings, except the 6th string.
https://guvnaguitars.com/chord/amaj9/
