Capture the Entire Screen

  • Hold down Command and Shift
  • and press 3.
  • Mac will capture the entire screen to a file on your desktop. It will be labeled something like: “Screen shot 2014-01-22 at 08.45.00 AM.png”

Capture a Section of the Screen

  • Hold down Command and Shift
  • and press 4.
  • Use your mouse to draw a rectangle in order to specify what to capture – or press the spacebar and then click on something (e.g. a window) to capture it.
  • Mac then saves it as a file on the desktop. The file name will look like “Screen shot 2014-01-22 at 08.45.00 AM.png”.
If you need to annotate or mark up some screenshots, we recommend a program called Glui

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