Download Firefox 3.6 Lorentz Beta.

Mozilla is moving onward with the development of its open source browser, and is cooking a consistent evolution to the latest finalized version of Firefox. Breaking from the traditional minor, stability and security update cycle, Mozilla is gearing up to release an upgrade to Firefox 3.6. Fact is that, even before Firefox 3.6 Final was released for the public on January 21st, 2010, planning for a major update was underway. At this point in time, early adopters can download the first Beta Build of Firefox codename Lorentz, which brings to the table an important, new feature that is bound to positively impact stability and reliability.

Source -
Download Firefox 3.6 Lorentz Beta (3.6.3 Plugin 1 / v3.6.4) - Will most probably be served as Firefox 3.6.4 to users - Softpedia

JMH said:

Mozilla is moving onward with the development of its open source browser, and is cooking a consistent evolution to the latest finalized version of Firefox. Breaking from the traditional minor, stability and security update cycle, Mozilla is gearing up to release an upgrade to Firefox 3.6. Fact is that, even before Firefox 3.6 Final was released for the public on January 21st, 2010, planning for a major update was underway. At this point in time, early adopters can download the first Beta Build of Firefox codename Lorentz, which brings to the table an important, new feature that is bound to positively impact stability and reliability.

Source -
Download Firefox 3.6 Lorentz Beta (3.6.3 Plugin 1 / v3.6.4) - Will most probably be served as Firefox 3.6.4 to users - Softpedia

Installed and working

Going ok here.