The Start screen in Windows 8 and Windows 8.1 allows you to pin Desktop app shortcut for fast access. After pinning a shortcut, the Start screen shows a tile with the app's icon and its name. In Windows 8.1, Microsoft has improved the visual appearance of such tiles by making the background color of the tiles match the icon's predominant color. The one thing the Start screen lacks is the ability to change the pinned app's icon. Let's look how it can be done.