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On your Chromebook, click on the time in the bottom right corner of your screen. This will bring up the Quick Settings menu. Click on the Screen capture option.
To take a screenshot of your screen, make sure the camera icon is selected.
Select the area of the screen you want to capture. Click CaptureYour screenshot will automatically be captured.
Or, choose the full screen option and click anywhere to capture your entire screen. Similarly, the window option will also let you capture a single window.
If needed, see the instructions for Locating Your Screenshot.
Alternate Method
On your Chromebook you can also use the Window Switcher Key.
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