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, then click a window to capture that window
Press Shift + Command + 5 to open screenshot options and screen recording controls
Press Shift + Command + 6 to capture the Touch Bar, if available
Press Control with any screenshot shortcut to copy the screenshot to the clipboard instead of saving it
Find saved screenshots on the desktop by default