The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.
LessChromeHD for Firefox add-on auto hides the URL bar and other toolbars and shows it only when necessary. This restart less add-on hides the toolbars like the location bar navigation until you point at the tabs to get them back. LessChromeHD for Firefox is a free extension that is available for Firefox, and once installed it does everything it can to maximize the amount of screen space that is given over to displaying websites. You wonder how this is different from working in full screen mode, but after spending a few minutes using the extension, it quickly becomes clear.
Full Specifications
What's new in version 7.0
Version 7.0 supports full screen mode, correctly show the menu toolbar if it's always showing, and removes show navigation when selecting app tabs or about:addons.
General
ReleaseJune 9, 2011
Date AddedJune 6, 2011
Version7.0
Operating Systems
Operating SystemsWindows 2000, Windows Vista, Windows, Windows 7, Windows XP