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 the screenshot toolbar
Press Shift + Command + 6 to capture the Touch Bar on supported Macs
Use the Screenshot toolbar to choose capture options
Hold Control while taking a screenshot to copy it to the clipboard instead of saving it
Find saved screenshots on the desktop by default