How to take a screenshot on a Mac computer.
Capture the Entire Screen
Press Command (⌘)-Shift-3. The screenshot is added to the desktop.
Capture Some of the Screen
- Press Command (⌘)-Shift-4
- Drag the crosshair pointer to select the area
- Hold Shift, Option, or the Space bar and drag to resize the selection area
- To cancel, press Escape (esc) before you release the mouse button
In Mac OS X v10.6 and later, screenshots are saved as PNG files on the desktop. Screenshots are automatically named "Screen shot (date and time).png." Open these screenshots with Preview or other image editing apps.