Hold down the mouse button and use the crosshair cursor to select the area to capture.
Take a screenshot of a section of the screen If you don’t feel like memorizing all the shortcuts we’re happy to show you how to take a screenshot on your MacBook without a keyboard How to take a screenshot of the whole screen We’ll show you how to take a screen capture of the whole MacBook-Screen, of a section of the screen and a single window or other screen components. If you’d like to take a screenshot on Mac you’ll just need to know simple key combinations.