- 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. Improved Tabbed Browsing; Spell Checking.
- While the developer is fixing the problem, try using an older version. If you need the previous version of AdBlock Plus for Firefox, check out the app's version history which includes all versions available to download. Firefox Old Versions For Mac Catalina; Mozilla Firefox For Mac 10.7.5; Firefox Old Versions For Mac.
- Aug 13, 2021 Download the old version of Firefox for Mac. If you experience any compatibility issues with Firefox for Mac, consider downloading one of the older versions of Firefox. MacUpdate stores previous versions of Firefox for you since v. Old Version Firefox Mac. We'd also like to extend a special thank you to all of the new Mozillians who contributed.
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- Download Previous Version Of Firefox For Mac
- Download Older Version Of Firefox For Mac 10.5.8
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- Mozilla Firefox Download Old Version
Get the browser that protects what’s important
Go to Mozilla's homepage. 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. Download Mozilla Firefox, a free Web.
No shady privacy policies or back doors for advertisers. Just a lightning fast browser that doesn’t sell you out.
Latest Firefox features
Picture-in-Picture
Pop a video out of the browser window so you can stream and multitask.
Expanded Dark Mode
Take it easy on your eyes every time you go online.
An extra layer of protection
DNS over HTTPS (DoH) helps keep internet service providers from selling your data.
Do what you do online.
Firefox Browser isn’t watching.
How Firefox compares to other browsers
Get all the speed and tools with none of the invasions of privacy. Firefox Browser collects so little data about you, we don’t even require your email address to download. That’s because unlike other browsers, we have no financial stake in following you around the web.
| Blocks third-party tracking cookies by default |
|---|
| Autoplay blocking |
| Blocks social trackers |
| OS availability |
| In-browser screenshot tool |
| Primary password |
We block the ad trackers. You explore the internet faster.
Ads are distracting and make web pages load slower while their trackers watch every move you make online. The Firefox Browser blocks most trackers automatically, so there’s no need to dig into your security settings.
Firefox is for everyone
Available in over 90 languages, and compatible with Windows, Mac and Linux machines, Firefox works no matter what you’re using or where you are. Make sure your operating system is up to date for the best experience.
Put Firefox on all your devices
Take your privacy with you everywhere. Firefox Browsers for iOS and Android have the same strong privacy settings to block trackers from following you around the web, no matter where you are.
Do it all with Firefox
Search smarter, faster
- Search from address bar
- Search engine options
- Smart search suggestions
- Bookmark, history and open tab in results
Boost your productivity
- Works with Google products
- Built-in screenshot tool
- Bookmarks manager
- Autosuggest URLs
- Sync across devices
- Reader mode
- Spell check
- Pinned Tabs
Stream, share and play
- Block Autoplay of video & audio
- Picture-in-Picture
- Curated content on new tab
- Share links
Protect your privacy
- Third Party Cookie Blocking
- Cryptominer Blocking
- Private Browsing mode
- Individual protections report
Secure your personal info
- Breached website alerts
- Built-in password manager
- Clear history
- Form autofill
- Automatic updates
Customize your browser
- Themes
- Dark mode
- Library of extensions
- Adjust search bar settings
- Change new tab layout
Make Firefox your own
Extensions for every interest
From security to news to gaming, there’s an extension for everyone. Add as many as you want until your browser is just right.
Change up your look
Go from light mode to dark mode depending on your mood or preference, or liven things up with a custom theme (rainbow unicorn, perhaps).
Tweak your settings
There’s no need to settle. Change up the new tab page, search bar, bookmarks and more to explore the internet the way you want.
Backed by the non-profit that puts people first
Challenging the status quo since 1998
Firefox was created by Mozilla as a faster, more private alternative to browsers like Internet Explorer, and now Chrome. Today, our mission-driven company and volunteer community continue to put your privacy above all else.
Your privacy comes first
As the internet grows and changes, Firefox continues to focus on your right to privacy — we call it the Personal Data Promise: Take less. Keep it safe. No secrets. Your data, your web activity, your life online is protected with Firefox.
Keep all your favorite browser features — and discover new ones.
Works with Google products
All your favorite Google tools (like Gmail and Docs) work seamlessly in the Firefox Browser.
Facebook Container
Download this browser extension to stop Facebook (and Instagram) from tracking you around the web.
Sync your devices
Firefox is available on all your devices; take your tabs, history and bookmarks with you. All you need is a Firefox account.
Download Older Version Of Firefox For Mac
Screenshots
Grab a high-resolution image of anything online with our screenshot tool built right in the browser
Enhanced Tracking Protection (ETP)
Firefox automatically blocks many third party trackers from collecting and selling your web activity.
Picture-in-Picture
From watching a web tutorial to keeping an eye on your favorite team, your video follows you while you multitask.
Firefox Browser
Get Firefox Browser for Android
Get Firefox Browser for iOS
Download the Firefox mobile browser for automatic protection on all your devices.
Learn about the Firefox desktop browser below
You’ve already got the browser. Now get even more from Firefox.
Watch for hackers with Firefox Monitor, protect passwords with Firefox Lockwise, and more.
Meet our family of products
Firefox Legacy
Firefox Legacy is an unofficial modified version of Mozilla Firefox that works on older Mac OS X versions, including 10.6 Snow Leopard, 10.7 Lion, and 10.8 Mountain Lion.
Download it now and breathe new life into your old Mac.
OS X 10.8 Mountain Lion
Current version for OS X 10.8 Mountain Lion: 71.0p2 (2020-09-15)
IMPORTANT NOTE ABOUT UPDATING TO v71: A new Firefox profile will be created when you update from earlier versions to version 71.0. To restore your previous data, type 'about:profiles' in the address bar, then find your previous profile (if you can't tell which, try each one) and set it as default. Then, restart Firefox Legacy. I apologize for the inconvenience; the cause of this issue is not known.
Download Previous Version Of Firefox For Mac
OS X 10.7 Lion
Current version for OS X 10.7 Lion: 68.12.0p3 (2021-01-24)
Now featuring support for numerous newer web standards, including Push, Service Workers, Feature Policy, ResizeObserver, Promise Rejection Events, more of the Animations API, and several CSS features. This should improve compatibility with many websites.
For security and privacy reasons, starting in version 68.12.0p3, support for TLS 1.0 and 1.1, HPKP, and the Battery API is disabled.
OS X 10.6 Snow Leopard
Only Firefox 52 is available for OS X 10.6 Snow Leopard; it will not be updated to a recent version due to technical limitations of the OS.
Note: the program is called 'Nightly' due to licensing restrictions prohibiting the use of the official Firefox branding.
Current version for OS X 10.6 Snow Leopard: 52.9.1p1 (2020-04-11)
Firefox Legacy speaks your language!
Any of the language packs for the matching official Firefox version are supported.
Download Older Version Of Firefox For Mac 10.5.8
- List of language codes (to help you locate the right file to download)
Download Older Version Of Firefox For Mac Os
Small areas of the about screen and the help menu that are specific to Firefox Legacy will remain untranslated.How Do I Download A Previous Version Of Firefox For Mac Osx ...
Known Issues
Mozilla Firefox Download Old Version
- Small problems with displaying right-to-left languages on OS X 10.7
- The crash reporter does not work on OS X 10.7 or 10.8 (it itself crashes)
- A useless empty share menu is visible on OS X 10.7
- The sandbox (a security feature intended to protect you from malicious websites) does not work, and has been disabled
- On OS X 10.7, the browser crashes when the camera or microphone are used
- WebGL does not work on computers with GPUs not supporting OpenGL 3.0 (many 2006-2007 Macs)
- Some buttons are invisible on Google Calendar, WordPress, and other sites that use font-based icons
- DRM (Encrypted Media Extensions/Widevine) does not work
- Version 68.12.0 only: Screen capture does not work and has been disabled
- Version 71.0 only: The progress bar is not visible on the icons of downloading files in the Finder