Press Command + Shift + 3 to capture the entire screen
Press Command + Shift + 4 to capture a selected area
Press Command + Shift + 4, then press Spacebar to capture a specific window
Press Command + Shift + 5 to open screenshot and screen recording options
Press Command + Shift + 6 to capture the Touch Bar, if your Mac has one
Press and hold Control with any screenshot shortcut to copy the screenshot to the clipboard instead of saving it
Press Escape to cancel a screenshot selection before taking it