Mozilla Firefox is a graphical web browser developed by the Mozilla Corporation and a large community of external contributors. Firefox started as a fork of the Navigator browser component of the Mozilla Application Suite. Firefox has replaced the Mozilla Suite as the flagship product of the Mozilla project, under the direction of the Mozilla Foundation.
Nov 29, 2011 System Requirements: Firefox 4 Firefox 5 Firefox 6 Firefox 7 Firefox 8 The good news is that Firefox 3.6.24 still supports OSX 10.4 and Macs with the PPC Mac architecture. The bad news is that support for the Firefox 3.6.x series is likely to end in the first quarter of 2012.
Feb 24, 2011. I'm running Mac OS X 10.4.11 'Intel,' TenFourFox doesn't help with that. Whenever I load Firefox it tells me to upgrade to 12.0 for security reasons. 12.0 is most definitely not compatible with the version of OS X on my MacBook Pro. While the developer is fixing the problem, try using an older version. If you need the previous version of Firefox, check out the app's version history which includes all versions available to download. Download prior versions of Firefox for Mac. All previous versions of Firefox are virus-free and free to download. If your browser can't establish a secure connection to the download server, try using the TenFourFox Downloader. to download the right version automatically (Power Macs only). The TenFourFox Downloader requires a Power Mac running 10.4 or 10.5. Mac users interested in Firefox for mac 10 6 8 generally download: Firefox 80.0 Free Firefox is one of the most popular web browsers on the market, providing numerous helpful features and quick speed to millions of users worldwide. Mac users interested in Firefox version for os x 10.8.5. Generally download: Firefox 79.0 Free Firefox is one of the most popular web browsers on the market, providing numerous helpful features and quick speed to millions of users worldwide.
To display web pages, Firefox uses the Gecko layout engine, which implements most current web standards in addition to several features which are intended to anticipate likely additions to the standards. Latest Firefox features include tabbed browsing, spell checking, incremental find, live bookmarking, a download manager, private browsing, location-aware browsing (also known as 'geolocation') based exclusively on a Google service and an integrated search system that uses Google by default in most localizations. Functions can be added through add-ons, created by third-party developers, of which there is a wide selection, a feature that has attracted many of Firefox's users. Mozilla Firefox is a cross-platform browser, providing support for various versions of Microsoft Windows, Mac OS X, and Linux.
Firefox Features
Users on 64-bit Windows who download Firefox can get our 64-bit version by default. That means you get a more secure version of Firefox, one that also crashes a whole lot less. How much less? In our tests so far, 64-bit Firefox reduced crashes by 39% on machines with 4GB of RAM or more.
Here’s the key thing to know: 64-bit applications can access more memory and are less likely to crash than 32-bit applications. Also, with the jump from 32 to 64 bits, a security feature called Address Space Layout Randomization (ASLR) works better to protect you from attackers. Linux and macOS users, fret not, you already enjoy a Firefox that’s optimized for 64-bit.
If you’re running 64-bit Windows (here’s how to check), your Firefox may already be 64-bit. Check your Firefox version (in the “About Firefox” window) and look for “(32-bit)” or “(64-bit)” after the version number: