Internet, Networking, & Security Browsers How to Activate Full-Screen Mode in IE9 It can be toggled on and off with a few easy steps by Scott Orgera Writer Scott Orgera is a former writer who covering tech since 2007. He has 25+ years experience as a programmer and QA leader, and holds several Microsoft certifications. our editorial process Facebook Twitter Scott Orgera Updated on October 05, 2020 Browsers Microsoft Chrome Safari Firefox Tweet Share Email Internet Explorer 9 lets you view web pages in full-screen mode, hiding all elements other than the main browser window. This includes tabs and toolbars, among other items. Full-screen mode can be toggled on and off using one of the two below methods. Information in this article applies to the Internet Explorer 9 Web browser on Windows operating systems. Still, one of these techniques will work with any browser, including Microsoft Edge, Chrome, and Safari. Toggle Full-Screen Mode Using the Gear Icon If you want to toggle full-screen mode on or off, open the IE9 browser and select the gear icon located in the upper-right corner of the browser window. When the drop-down menu appears, select File > Full Screen. Toggle Full-Screen Mode Using F11 There's also a keyboard shortcut for full-screen mode. Press F11 instead of toggling the feature on or off in the menus. To disable the mode and return to the standard IE9 window, press the F11 key again. This technique also works with Internet Explorer 11, as well as most web browsers.