Your Firefox should notice the update and ask to apply it Firefox 3.0.4 fixes several issues found in Firefox 3.0.3: * Fixed several security issues. * Fixed several stability issues. * Official releases for the Icelandic and Thai languages are now available. * Beta releases for the Bulgarian, Esperanto, Estonian, Latvian, Occitan, and Welsh languages are available for testing. * Updated the internal Public Suffix list. * Fixed an issue where the IME input tool used to enter Japanese, Korean, Chinese and Indic characters was covered by the "Add Bookmark" panel. (bug 433340) * Enabled additional EV root certificates. (bug 451305) * Fixed an issue where some passwords saved using Firefox 3.0.2 did not work properly. (bug 457358) * In some cases, Firefox would not properly save proxy settings for protocols other than HTTP. (bug 446536) See the complete list of bugs fixed.