The A minor (Am) guitar chord uses only 5 strings the 6th low E string is not played.
The second finger is on the second fret of the 4th (D) string.
The third finger is on the second fret of the 3rd (G) string.
The first finger is on the first fret of the 2nd (B) string.
Then strum all five strings to hear the Am basic guitar chord.