MACBOOK
You can capture the entire screen, a window, or just a portion of the screen.
How to take a screenshot on your Mac
To take a screenshot, press and hold these three keys together: Shift, Command, and 3.
If you see a thumbnail in the corner of your screen, click it to edit the screenshot. Or wait for the screenshot to save to your desktop.
How to capture a portion of the screen
Press and hold these three keys together: Shift, Command, and 4.
Drag the crosshair to select the area of the screen to capture. To move the selection, press and hold the Space bar while dragging. To cancel taking the screenshot, press the Esc (Escape) key.
To take the screenshot, release your mouse or trackpad button.
If you see a thumbnail in the corner of your screen, click it to edit the screenshot. Or wait for the screenshot to save to your desktop.
How to capture a window or menu
Open the window or menu that you want to capture.
Press and hold these keys together: Shift, Command, 4, and Space bar. The pointer changes to a camera icon. To cancel taking the screenshot, press the Esc (Escape) key.
Click the window or menu to capture it. To exclude the window's shadow from the screenshot, press and hold the Option key while you click.
If you see a thumbnail in the corner of your screen, click it to edit the screenshot. Or wait for the screenshot to save to your desktop.
Where to find screenshots
By default, screenshots save to your desktop with the name ”Screen Shot [date] at [time].png.”
In macOS Mojave or later, you can change the saved screenshots' default location from the Screenshot app's Options menu. You can also drag the thumbnail to a folder or document.