Press Shift + Command + 3 to capture the entire screen
Press Shift + Command + 4 to capture a selected area
Press Shift + Command + 4, then press Spacebar to capture a specific window
Press Shift + Command + 5 to open screenshot and screen recording options
Press Shift + Command + 6 to capture the Touch Bar, if your MacBook Pro has one
Press Control + Shift + Command + 3 to copy the full-screen screenshot to the clipboard
Press Control + Shift + Command + 4 to copy a selected-area screenshot to the clipboard
Press Control + Shift + Command + 4, then press Spacebar to copy a window screenshot to the clipboard