On a Mac, you press three shortcut keys: Shift->Command->4
Using a Mac computer you use a key shortcut. the shortcut is shift+command+4. you dont have to press down all at once forcefully like a jutsu though.
On a mac laptop, to take a screenshot press down the "shift"and "command" keys, and then hit the "4" at the same time.
To take an appropriate screenshot with a Mac computer, press command + Shift + 4.
To take a screenshot on a MacBook Pro you need to press "Shift" "Command" and "4" simultaneously. Once you have done this, there will be crosshairs to appear on the screen. Click and drag what you would like to take a picture of, and you have successfully taken a screenshot.