This article explains how to download and install Firefox on a Mac.
Download Firefox 45.0.1 for free from OldVersion.com - tested and virus free! 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 at Uptodown. CNET Download provides free downloads for Windows, Mac, iOS and Android devices across all categories of software and apps, including security, utilities, games, video and browsers. 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. Get Firefox, a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy. Available now on Windows, Mac, Linux, Android and iOS.
- 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.
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 .
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 .
If there is a problem with a Firefox version, most people will try to revert Firefox back to the way it was before and downgrade it, but we do not recommend this action. Downgrading Firefox leaves a user more vulnerable to attacks and, on most occasions, doesn't fix the problem that occurred while updating. This article gives you some alternatives to downgrading and links to old versions of Firefox, if you do choose to downgrade.
Table of Contents
Problems with an update are generally not caused by the new version of Firefox, but rather the update process. Installing a previous version will not help in most cases. Instead, see:
Ensure all security and security-related software is fully updated. Some security software will need to be upgraded to a new version for each Firefox version update.
Optional software bundled with security software may also need updating. Such software may not be essential for your security, but if outdated, it may interfere with the use of Firefox, or cause Firefox to crash.
If you want to downgrade, you can visit Mozilla's directory of older Firefox versions using the link below. Please note, however, that using older versions of Firefox can be harmful and that we recommend you use the newest version of Firefox.- Firefox 67.0.432-bit (US English)
- Firefox 67.0.464-bit (US English)
- Firefox 67.0.432-bit (US English)
- Firefox 67.0.464-bit (US English)
- Firefox 68.0.232-bit (US English)
- Firefox 68.0.264-bit (US English)
- Firefox 68.0.232-bit (US English)
- Firefox 68.0.264-bit (US English)
- Firefox 69.0.332-bit (US English)
- Firefox 69.0.364-bit (US English)
- Firefox 69.0.332-bit (US English)
- Firefox 69.0.364-bit (US English)
- Firefox 70.0.132-bit (US English)
- Firefox 70.0.164-bit (US English)
- Firefox 70.0.132-bit (US English)
- Firefox 70.0.164-bit (US English)
- Firefox 71.032-bit (US English)
- Firefox 71.064-bit (US English)
- Firefox 71.032-bit (US English)
- Firefox 71.064-bit (US English)
- Firefox 72.0.232-bit (US English)
- Firefox 72.0.264-bit (US English)
- Firefox 72.0.232-bit (US English)
- Firefox 72.0.264-bit (US English)
- Firefox 73.0.132-bit (US English)
- Firefox 73.0.164-bit (US English)
- Firefox 73.0.132-bit (US English)
- Firefox 73.0.164-bit (US English)
- Firefox 74.0.132-bit (US English)
- Firefox 74.0.164-bit (US English)
- Firefox 74.0.132-bit (US English)
- Firefox 74.0.164-bit (US English)
- Firefox 75.032-bit (US English)
- Firefox 75.064-bit (US English)
- Firefox 75.032-bit (US English)
- Firefox 75.064-bit (US English)
- Firefox 76.0.132-bit (US English)
- Firefox 76.0.164-bit (US English)
- Firefox 76.0.132-bit (US English)
- Firefox 76.0.164-bit (US English)
- Firefox 77.0.132-bit (US English)
- Firefox 77.0.164-bit (US English)
- Firefox 77.0.132-bit (US English)
- Firefox 77.0.164-bit (US English)
- Firefox 78.0.232-bit (US English)
- Firefox 78.0.264-bit (US English)
- Firefox 78.0.232-bit (US English)
- Firefox 78.0.264-bit (US English)
- Firefox 79.032-bit (US English)
- Firefox 79.064-bit (US English)
- Firefox 79.032-bit (US English)
- Firefox 79.064-bit (US English)
- Firefox 80.0.132-bit (US English)
- Firefox 80.0.164-bit (US English)
Firefox Download For Mac Os
- Firefox 80.0.132-bit (US English)
- Firefox 80.0.164-bit (US English)
- Firefox 81.0.232-bit (US English)
- Firefox 81.0.264-bit (US English)
- Firefox 81.0.232-bit (US English)
- Firefox 81.0.264-bit (US English)
Firefox 50 Download
Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives:
Install Firefox Extended Support Release.Firefox Extended Support Release (ESR) is an official version of Firefox developed for large organizations like universities and businesses. Firefox ESR does not come with the latest features but it has the latest security and stability fixes. For more information, see the article Switch to Firefox Extended Support Release (ESR) for personal use.
Use the latest version of another browser. If the current Firefox version is not to your liking or just not working right now, there are alternative browsers that you can use to browse the web.
If the latest version of Firefox is causing problems for you or you just don't like something about it, please give us feedback about it here: