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 window
Press Shift + Command + 5 to open screenshot and screen recording options
Press Shift + Command + 6 to capture the Touch Bar, if your Mac has one
Find saved screenshots on the desktop by default
Hold Control with the shortcut to copy the screenshot to the clipboard instead of saving it