How to change English uppercase letters into lowercase letters

1, the first type: press the uppercase lock key. Capslock

Caps Lock: the penultimate button on the far left of the keyboard. When pressed, the second light at the top of the most accessible side lights up, and then the letters entered are capital letters.

2. press the Caps Lock key again to switch to lowercase letters.

3. the second type: cooperate with the Shift key on the keyboard.

4. Press the Shift key on the keyboard and don't release it. Enter letters, that is, capital letters. Raise to lowercase.