Mozilla announced yesterday about the free availability of the latest version on it’s company blog. The blog published -
As part of the Mozilla Corporation’s ongoing security and stability process, Firefox 3.5.1 is now available for Windows, Mac, and Linux users as a free download from www.firefox.com.
We strongly recommend that all Firefox 3.5 users upgrade to this latest release. If you already have Firefox 3.5, you will receive an automated update notification within 24 to 48 hours. This update can also be applied manually by selecting “Check for Updates…” from the Help menu.
Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. Firefox had 22.51% of the recorded usage share of web browsers as of May 2009, making it the second most popular browser in terms of current use worldwide, after Internet Explorer.