Taking a Screenshot

Mac

Full Screen

Press Command + Shift + 3

The image file will be saved to the desktop. 

Screen Area

Press Command + Shift + 4, then drag the mouse to create the rectangular area which will be captured. 

The image file will be saved to the desktop. 

Windows

Full Screen

Press PrtScrn

The image file is copied to your clipboard, you can paste it with ctrl + V

Screen Area (Windows 10 Creators Update and forward)

Press Windows + Shift + S, then drag the mouse to create the rectangular area which will be captured.

The image file is copied to your clipboard, you can paste it with ctrl + V

Screen Area (Legacy)

Open the Snipping Tool app, click new and drag the mouse to create the rectangular area which will be captured. The image will appear in a new snipping tool window, which can then be saved to disk.