Download Firefox 4.0 RC 1

Mozilla Firefox is a free and open source web browser from the Mozilla Application Suite and by Mozilla Corporation. Firefox uses the Gecko layout engine, which implements most current web standards in addition to several features which are intended to anticipate likely additions to the standards.

The latest Firefox features include tabbed browsing, spell checking, incremental find, live bookmarking, a download manager, private browsing, location-aware browsing (also known as "geolocation")
based exclusively on a Google service and an integrated search system that uses Google by default in most localizations.

Homepage: Mozilla.org
Type: Web browser/FTP client/Gopher client
License: GNU GPL, GNU LGPL, or Mozilla Public License.
Written in: C/C++, JavaScript, CSS, XUL, XBL
Operating system: Cross-platform
Languages: 72
Size: 12.00 MB

Download : Windows, Mirror | Mac OSX, Mirror

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Bugs fix's in this version:

* General stability, performance, and compatibility improvements.