Development of TenFourFox has halted.
Builds with security updates will be
guaranteed until October 5, 2021.
The most current security update is TenFourFox FPR32 Security Parity Release
information about the end of support.
TenFourFox is supported only on Power Macs, PowerBooks and
iBooks running 10.4 or 10.5.
It is not supported on Intel Macs, and will not run on Apple Silicon.
the Release Notes for more information.
If your browser can't establish a secure connection
to the download server,
try using the
to download the right version automatically (Power Macs only).
* The TenFourFox Downloader requires a Power Mac running 10.4 or 10.5.
The Downloader will not operate on an Intel Mac.
Although the Downloader uses current encryption methods to download the
browser, the Downloader itself is accessed over unencrypted HTTP.
If you are in an environment where your network may
be tampered with,
we recommend using another computer for the initial
download or manually verifying the download with
Keep up with the
TenFourFox development blog
for the most current announcements.
If you want to view the source code, see our
TenFourFox is free, open-source software
released under the Mozilla Public License.
Copyright © 2010-2021
Contributors to TenFourFox. All rights reserved.
Mozilla, Gecko and Mozilla Firefox are trademarks and/or registered
trademarks of the Mozilla Foundation.
TenFourFox is not an official Mozilla
product and is not a Mozilla-maintained build of Firefox.
The Deer Park Globe appears in the
derivative works used in this product under the auspices of the Mozilla Public
The TenFourFox "tiger fox" is copyright © 2010-2021
Cameron Kaiser and appears
under a Creative Commons BY-NC-ND 3.0 license. All rights reserved.
The Apple marks, Apple press images and Apple icons used in this and other
spoofs remain the property of Apple, Inc., and appear here in the spirit of
making fun of Intel and Apple Silicon Macs. Please don't sue us.
(Did you think that was funny? See what we did to
Man! I kill me!
There is nothing amusing about Mojave, Catalina, Big Sur or Monterey,
(because Tim says we're obsolete)