We strongly recommend that all Firefox users upgrade to this latest release. This update is available immediately in 41 languages including Spanish, Japanese, Arabic, Hungarian, and more.
Note: Firefox 1.5.0.x will be maintained with security and stability updates until April 24, 2007. All users are strongly encouraged to upgrade to Firefox 2. Firefox 1.5.0.9 is available for download from http://www.mozilla.com/firefox/all-older.html.
If you already have Firefox 1.5.0.x, Firefox 2.0.0.x, or Thunderbird 1.5.0.x, 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 at any time.
By Mozilla