A quicker way to achieve this same result is to simply hold the Shift key on your keyboard while left-clicking an open application’s icon in the taskbar. Without holding Shift, clicking the app’s icon merely brings the app to the front of your open windows, or makes it the active application if it’s already visible. But adding the Shift key into the mix acts as a shortcut for the right-click steps mentioned above. As with the right-click method above, you’ll see a second copy of the app appear on your desktop.