Famous web browser Firefox 4 beta for Windows, Linux and Mac is available for download. You can download the beta version of Firefox 4 from Mozilla website.
Download Firefox 4 Beta
Firefox 4 beta support multi-touch support for Windows 7 to enable people to interact with Web content with their hands naturally. Developers can use multi-touch capabilities to leverage touch-enabled devices and provide people with an intuitive and fun browsing experience.
Firefox 4 beta also support new JavaScript values to experience faster and smoother graphics.