BEIJING, July 7 (Xinhuanet) -- Mozilla released its web explorer Firefox 4's beta version Wednesday, PC World reported.
Firefox explorer, considered to be the largest rival of Microsoft Windows' Internet Explorer, has upgraded to its newest version with multiple technologies in line with future Internet developing trend.
The beta version imitated Google chrome and a few other browsers by putting the tabs on top and providing webpage crash protection features.
Mozilla provides its Firefox users with versions used in operation system including Microsoft Windows, Apple's Mac and the Linux OS.
The newly released beta version of Firefox is expected to widely compete with IE as the most popular Internet browser in the scientific arena.