Left Hand:
1. Press the A-flat (far right black key) with your thumb.
2. Press the B-flat (middle black key) with your index finger.
3. Press the D-flat (far left black key) with your pinky.
Right Hand:
1. Press the F key (right above the B-flat in the left hand) with your thumb.
2. Press the G key (right above the D-flat in the left hand) with your index finger.
3. Press the B-flat key (right above the B-flat in the left hand) with your middle finger.
When playing the B flat chord, make sure to press all the keys simultaneously to produce a harmonious sound. Practice playing the chord slowly at first until you become comfortable with the fingering and can smoothly transition between chords.