How do you take a screenshot of a specific area on a PC/Windows?
Press Windows logo key + Shift + S. The desktop will darken while you select an area for your screenshot. Rectangular mode is selected by default. You can change the shape of your snip by choosing one of the following options in the toolbar: Rectangular mode, Window mode, Full-screen mode, and Free-form mode.
How do you take a screenshot of a specific window on a Mac?
Pressing the 'Command', 'Shift' and '5' keys (all at the same time), will bring up the screen-capture window which allows you to capture different parts of the screen or a particular window.