Starting with Firefox version 49, Firefox requires Mac OS X 10.9 (Mavericks) or higher. Visit this Apple Support page to find your Mac OS version.
If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version that Apple supports. Visit this Apple Support page to learn more about upgrading your Mac.
Mac OS X 10.9 (Mavericks) (Intel) (81). Download Old Version of Firefox for Mac for Mac OS X 10.5 Leopard (Intel) Skip Development Versions tead. Spell checking, incremental find, live bookmarking, a download manager, private browsing, location-aware browsing (also known as 'geolocation') based exclusively on. Mac OS X 10.9 (Mavericks) (Intel) (81). Mac OS X 10.1 (Firefox 1.0.8), OS X 10.2 and OS X 10.3 (Firefox 2.0.0.20), Mac OS X 10.4 (Firefox 3.X), Mac OS X 10.5 or above (Current Version). Latest Firefox features include tabbed browsing, spell checking, incremental find, live bookmarking, a download manager, private browsing.
Note: If you have Mac OS X 10.7 (Lion) or 10.6 (Snow Leopard), you will need to download OS X El Capitan before you can upgrade to the latest Mac OS.
While insecure versions of Firefox will continue to work on OS X 10.8 and earlier, using an up-to-date version of Firefox on a supported version of Mac OS will provide you with the best and safest user experience.
Firefox 25.0
<h2>Windows</h2>
Download OS X Mavericks 10.9. Feb 25, 2014 This update: Adds the ability to make and receive FaceTime audio calls; Adds call waiting support for FaceTime audio and video calls. Adds the ability to. Jan 24, 2018 How to upgrade from Mac OS x 10.9.5 to 10.10 (required for a new invoicing programme). Firefox version 78 is the last supported Firefox version for Mac users of OS X 10.9 Mavericks, OS X 10.10 Yosemite and OS X 10.11 El Capitan. These users will be moved to the Firefox Extended Support Release (ESR) channel by an application update. This will provide security updates until the next ESR update in July 2021, after which the affected users will no longer receive security updates. Mac users interested in Mozilla firefox mac 10.5 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.
<h6>Operating Systems</h6>
- Windows XP SP2
- Windows Server 2003 SP1
- Windows Vista
- Windows 7
- Windows 8
Please note that while the 32-bit and 64-bit versions of Windows Vistaand Windows 7 can be used to run Firefox 25, only 32-bit builds of Firefox 25 aresupported at this time.
<h6>Recommended Hardware</h6>
![10.9 10.9](/uploads/1/2/5/8/125807102/434370369.jpg)
- Pentium 4 or newer processor that supports SSE2
- 512MB of RAM
- 200MB of hard drive space
<h2>Mac</h2>
<h6>Operating Systems</h6>
- Mac OS X 10.6
- Mac OS X 10.7
- Mac OS X 10.8
- Mac OS X 10.9
<h6>Recommended Hardware</h6>
- Macintosh computer with an Intel x86 processor
- 512 MB of RAM
- 200 MB hard drive space
Firefox For Mac Os X 10.9.5
<h2>Linux</h2>
Firefox Download For Mac Os X 10.9.5
<h6>Software Requirements</h6>
Please note that Linux distributors may provide packagesfor your distribution which have different requirements.
- Firefox will not run at all without the following libraries or packages:
- GTK+ 2.18 or higher
- GLib 2.22 or higher
- Pango 1.14 or higher
- X.Org 1.0 or higher (1.7 or higher is recommended)
- libstdc++ 4.3 or higher
- For optimal functionality, we recommend the following libraries or packages:
- NetworkManager 0.7 or higher
- DBus 1.0 or higher
- HAL 0.5.8 or higher
- GNOME 2.16 or higher