To take a screenshot, press Shift+Command+3 on your keyboard, and the screenshot will be saved to your desktop by default. On a Mac, taking a screenshot captures the exact contents of your screen and saves it to an image file that you can view later or share with other people.

RELATED: How to Enter and Exit Full Screen Mode on a Mac Screenshots Or you can hover over the green button and select “Enter Full Screen.” It’s easy to miss if you don’t already know it’s there. To enter full-screen mode, click the tiny green button in the upper-left corner of a window (near the red “close window” button). When you use it, a single app or window will take over your entire screen, and the desktop and other windows will be temporarily hidden. If you get distracted easily while working or gaming on your Mac, full-screen mode helps you focus on one task at a time. RELATED: Mission Control 101: How to Use Multiple Desktops on a Mac Full-Screen Mode From there, you can drag and drop app windows from Mission Control into the desktop thumbnails at the top of the screen-and switch between them by clicking the thumbnails themselves. To do so, press F3 on your keyboard to open Mission Control, then move your mouse cursor to the top of the screen and click the plus (“+”) button to add a new desktop. You can create different spaces for different tasks, and then switch between them quickly and easily. Spaces is like virtual desktops for Mac, and it can help you organize your open windows and applications into different desktop work spaces. RELATED: How to Edit Files and Images Using Quick Look on Mac Virtual Desktops (Spaces) You can also use Quick Look on folders to see information on the folder’s contents. Click the item once with your mouse to select it, then press the space bar once to see a preview of it in a pop-up window. To use it, open a Finder window and locate the file you want to preview. Quick Look lets you quickly preview files without opening them in Finder.

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