There are several ways to take a screenshot on a Mac. The most obvious are if you want full screen or if you only want part of the screen. However, there are also other options.
Take a screenshot on Mac
To take a full screenshot on the Mac, you need to press CMD + Shift + 3 at the same time. This way the screenshot will be saved as an image – by default it will be saved on your desktop. If you want a full screen, but only want to copy and paste an image from the screen, i.e. do not save, then press Ctrl + CMD + Shift + 3.
Take a picture of part of your Mac screen
To take a screenshot of a particular segment, hold down CMD + Shift + 4 and a small crosshair will appear on the screen. If you don’t see the crosshairs right away, move your mouse or touchpad as if you were moving a regular cursor and you will see it. Drag the crosshairs on the screen. You start by creating a box from top left to bottom right. Arrange this box so that it covers the part of the screen you want to take a screenshot of. Release and a screenshot of the game will be taken in the box. If at any time you find yourself creating a box where you don’t want it, hit the escape key and it will take you back to the normal cursor. Again, the image is saved to your desktop by default.
As with a full screen image, all you have to do is copy to the clipboard and save a screenshot of part of the screen. Press Ctl + CMD + Shift + 4. The crosshair appears as before and you can proceed as described above.
Take a screenshot of an individual window
If several windows are open because you are using different applications, you may want to capture an image of only one of them. To do this, press CMD + Shift + 4 + Space. A camera icon appears. Now when you hover over a window, it will be highlighted in blue. Left click on your mouse / trackpad to take a picture of the selected window.
Record your screen as a video
Press Cmd + Shift + 5 to see a full range of screen recording options. A menu will appear at the bottom of the screen. In addition to being able to do many of the things described above, this menu also allows you to record your entire screen or part of it as video. Selecting the Options menu allows you to adjust a new set of settings, including where your screenshots are saved and whether the pointer appears there or not.