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Taskbar options when multiple apps are open
The newly unified taskbar is available even when two or more Windows Store apps are arranged on the screen. Here, the Reader app is displaying a PDF document on the left, with a web page open in the "immersive" Internet Explorer 11 on the right. Moving the mouse pointer to the bottom of the screen makes this taskbar visible, and clicking any icon opens that program, giving you the option of where to position it on the screen.
Fine-tuning for Internet Explorer 11
Internet Explorer 11 gets a significant refresh as part of Windows 8.1 Update 1. The Reading View button, previously only an icon, adds the word "Read" to make its function more obvious. The Tools menu, available by clicking or tapping the wrench icon, now includes an Options choice, which eliminates the need to open the Charms menu and click Settings.
Extra options for some pinned sites
In Windows 8, pinning a site to the Start screen from Internet Explorer 11 adds its icon in a square tile. Changes introduced in Windows 8.1 Update 1 add new options for some sites, including ZDNet and the New York Times, both shown here. For these sites, the option to use larger tile sizes, with higher-resolution icons and notifications taken from the site's RSS feed, are available.