Firefox 4.0 Beta 4 is now available
Help test the future of Firefox!Firefox 4.0 Beta 4 released
The latest beta version of Firefox is now available as a preview release. Take it for a test drive and let us know what you think!
Important Information
Please read before downloading
This is pre-release software: you may encounter compatibility problems with some websites and add-ons.
If you find a problem please let us know or file a bug.
For more details, read the release notes and known issues.