If you need to paste a screenshot right into a document or to a photo editor, you may save the image to desktop and then drag-n-drop it to a document. You’ll hear a shutter sound and your screen picture will appear on a desktop. To save a screenshot of a whole screen, press ⌘Cmd + ⇧Shift + 3. It’s enough to click a 3-key combination and a screenshot or a part of it will appear on a desktop. You don’t need to insert an image into other programs to save it. Mac OS make it super easy to take a screenshot. how to do a screenshot on Android devices.easy ways & tools to take screenshots on Windows.All gadgets let make screnshots in different ways. Screenshots can become a huge help when you want to explain technical issues with your device or capture a moment of your digital life. How to Take a Screenshot on Mac, Windows, iPhone, Android