To find the version you have go to HELP then ABOUT FIREFOX and if you have 6.0.2 version you really have the latest STABLE version, if not press CHECK FOR UPDATES to update to the latest version (6.0.2 stable).

thank you

Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.

Firefox 6.0.2 is the current version at www.mozilla.com

There are no more 6.0.* planned at moment as the 6.0.1/6.0.2 were only rapid response chemspill releases related to DigiNotar certificate.

An easy way to see what the latest release is is to go to this page. It also gives access to Firefox in more than one language.

http://www.mozilla.org/en-US/firefox/all.html