1. Locate the C key. The C key is the white key to the left of the two black keys in the middle of the keyboard.
2. Press the C key with your left thumb.
3. Press the E key, which is the white key directly above the C key, with your left middle finger.
4. Press the G key, which is the white key directly above the E key, with your left pinky finger.
When you play these three keys together, you will create a C chord.