How to Take a Screenshot on Your Mac
This short guide will teach you how to take a screenshot on your Mac. These instructions are the same whether you have OS X or macOS. If you're using a Windows machine, check out this guide on how to take a screenshot on PC.
The screen capture functionality on your Mac is amazing because it's capable of taking so many different kinds of screenshots: You can take screenshots of your entire screen, a single application, or even drag a marquee to screenshot a specific area. These screenshots can then be saved to the desktop or copied to the clipboard -- all of this is controlled with different keyboard combinations.