Which three keys to change small letters into capital letters?

to capitalize a letter 

- Caps Lock 

- select the words to change case

- Press shift + F3 until capital case is applied

HIFT+F3 until the style you want

1- select the words to change case

2- Press shift + F3 until capital case is applied

1. capslk press
2.    Silhouetted character then press shift then f3

shift+the alphabet key,Capslock

SHIFT+F3 until the style you want — title case, all caps, or lowercase — is selected