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.
Mac users interested in Firefox version for os x 10.8.5. 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. Download Old Version of Firefox for Mac for Mac OS X 10.4 Tiger (PowerPC) Skip Development Versions tead. 13 March, 2012 (8 years ago) 18.77 MB. Mozilla Firefox 3.5.19. 28 April, 2011 (9 years ago) 17.84 MB. Mozilla Firefox.
If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version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.
To get Firefox for Mac 10.4.11 you need to download Firefox 3.6.28 for Mac which is the last version of Firefox to support PowerPC (PPC) Macs. Mozilla has dropped support for Mac OS X 10.4 but Firefox 3.6.28 still works on PPC Macs.Important Note: Running Firefox 3.6.28 on a Mac poses a serious security threat to your Mac. Mozilla no longer issues security updates for it and it has many. Our software library provides a free download of Firefox 4 46.0.1 for Mac. The size of the latest installation package available for download is 26.8 MB. The actual developer of this free Mac application is Mozilla. The unique ID for this program's bundle is org.mozilla.firefox. The software is included in Developer Tools. 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 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.
This article explains how to download and install Firefox on a Mac.
- If you are updating from a previous version of Firefox, see Update Firefox to the latest release.
- Visit the Firefox download page in any browser (for example, Safari). It will automatically detect the platform and language on your computer and recommend the best version of Firefox for you.
- Click .
- Note: If you want to have a choice of the language for your Firefox installation, click the Download options and other languages link instead.
- Once the download has completed, the file (Firefox.dmg) may open by itself and pop open a Finder window containing the Firefox application. Drag the Firefox icon on top of the Applications folder in order to copy it there.
- Note: If you do not see this window, open the Firefox.dmg file that you downloaded.
- After dragging Firefox to the Applications folder, hold down the control key while clicking in the window and select Eject 'Firefox' from the menu.
Tip: You can add Firefox to your dock for easy access. Just open your Applications folder and drag Firefox to the dock.
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Firefox is now ready for use. Just click on its icon in the dock or Applications folder to start it.
When you first start up Firefox, you will be warned that you downloaded Firefox from the Internet. Because you download Firefox from the official site, click .
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Upon installation, Firefox will not be your default browser, which you'll be notified about. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox. If you want Firefox to do those things, click . If you're just trying out Firefox or simply do not wish to set Firefox as your default browser, click .