Mozilla Firefox For Mac Support

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.
Mozilla Firefox For Mac Support

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  • Notes (First offered to release channel users on October 29, 2013). We'd also like extend a special thank you to all of the new Mozillians who contributed to Firefox 25! Check out 'What s New' and 'Known Issues' for this version of Firefox below. As always, you re encouraged to tell us what you think, or file a bug in Bugzilla. If interested, please see the complete list of changes in this.
  • The Firefox browser is open source, provides Enhanced Tracking Protection and soon will support DNS over HTTPS — all part of our longstanding commitment.
  • Choose which Firefox Browser to download in your language Everyone deserves access to the internet — your language should never be a barrier. That’s why — with the help of dedicated volunteers around the world — we make the Firefox Browser available in more than 90 languages.
Note: This article only applies to Mac. For instructions to install Firefox on Windows, see How to download and install Firefox on Windows.For instructions to install Firefox on Linux, see Install Firefox on Linux.
Make sure your Mac meets the System Requirements for Firefox. If you use an old version of OS X, see these articles for more information:

Support for Mozilla Software. As open source software, there are many ways to get help with using Mozilla products. From online documentation and free support provided by the Mozilla community on the support forums, newsgroups and online chat sites, to paid support. A Refresh can fix many issues by restoring Firefox to its default state while saving essential information like bookmarks and passwords. Insecure password warning in Firefox Firefox warns you when a login form is not secure and your information could be stolen.

  1. 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.
  2. 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.
  3. 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.
  4. After dragging Firefox to the Applications folder, hold down the control key while clicking in the window and select Eject 'Firefox' from the menu.
Complete the steps above before running Firefox. Do not run Firefox directly from the Firefox.dmg file, as this can result in issues such as lost data and settings.
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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 .