Mozilla has released and updated their browser, Mozilla Firefox 3.6.15.
This version fixes several security bugs which were found in Firefox 3.6.14 and it also fixes an issue where some Java applets would fail to load in Firefox 3.6.14.
Your browser may soon notify you about this update or you can navigate to HELP –> CHECK FOT UPDATE.
Or you may use following link to download this latest version :-
Download Firefox 3.6.15 (English, Windows) | Download Firefox 3.6.15 (English, MAC OS X) | Download Firefox 3.6.15 (English, Linux)
Download Firefox 3.6.15 (Other Language and OS)