How do you go from a D chord with the capo on third fret to C Major?

To go from a D chord with the capo on the third fret to C major, you:

1. Remove the capo from the third fret.

2. Place your index finger on the first fret of the A string, your middle finger on the second fret of the D string, and your fourth finger on the third fret of the G string.

3. Strum the guitar strings.