Firefoxall Softwares

Download Mozilla Firefox, a free web browser. Firefox is created by a global not-for-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today!
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Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.

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Key resources

SeaMonkey is another free open source Firefox based browser for Windows, MacOS, and Linux. This browser is based on an older version of Firefox which Mozilla Firefox 5.0.It is a standard web browser that provides all essential features like multi-tab interface, add-ons support, bookmark manager, search bar, simple navigation buttons, etc. Plus, it is quite responsive and simple to use.

Firefox is Mozilla's popular Web browser, available for multiple platforms including Windows, macOS, and Linux on the desktop and all Android and iOS mobile devices. With broad compatibility, the latest in Web technologies, and powerful development tools, Firefox is a great choice for both Web developers and end users.

Firefox is an open source project; much of the code is contributed by our huge community of volunteers. Here you can learn about how to contribute to the Firefox project and you will also find links to information about the construction of Firefox add-ons, using the developer tools in Firefox, and other topics.

Learn how to create add-ons for Firefox, how to develop and build Firefox itself, and how the internals of Firefox and its subprojects work.

Developer release notes: Developer-focused release notes; learn what new capabilities for both Web sites and add-ons arrive in each version of Firefox.
Project documentation: Get detailed information about the internals of Firefox and its build system, so you can find your way around in the code.
Developer guide: Our developer guide provides details on how to get and compile the Firefox source code, how to find your way around, and how to contribute to the project.

Firefox channels

Firefox Nightly

Each night we build Firefox from the latest code in mozilla-central. These builds are for Firefox developers or those who want to try out the very latest cutting edge features while they're still under active development.

Firefox Developer Edition

This is a version of Firefox tailored for developers. Firefox Developer Edition has all the latest developer tools that have reached beta. We also add some extra features for developers that are only available in this channel. It uses its own path and profile, so that you can run it alongside Release or Beta Firefox.

Learn more about Firefox Developer Edition.

Firefox Beta

Every four weeks, we take the features that are stable enough, and create a new version of Firefox Beta. Firefox Beta builds are for Firefox enthusiasts to test what's destined to become the next released Firefox version.

Firefox

After stabilizing for another four weeks in Beta, we're ready to ship the new features to hundreds of millions of users in a new release version of Firefox.

Firefox Extended Support Release (ESR)

Firefox ESR is the long-term support edition of Firefox for desktop for use by organizations including schools, universities, businesses and others who need extended support for mass deployments.

Learn more about Firefox Extended Support Release.

Experimental features in Firefox: In order to test new features, Mozilla publishes a test version of the Firefox browser, Firefox Nightly, every day. These nightly builds of Firefox typically include experimental or partially-implemented features, including those for proposed or cutting-edge Web platform standards.

Firefox developer release notes: Below you'll find links to the developer release notes for every Firefox release. These lovingly-crafted notes provide details on what features and APIs were added and improved and what bugs were eliminated in each version of Firefox. All written to give developers like you the information they need most. You're welcome.

Firefox profiles

If you find yourself using multiple Firefox channels—or just multiple configurations—on a regular basis, you should read how to use multiple Firefox profiles by turning Firefox's Profile Manager and other profile management tools to your advantage.

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.

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:

Note: Other problems can be solved with the Refresh Firefox feature. It restores Firefox to its default state while saving your essential information.

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.

Warning: Old Firefox versions pose a significant security risk.

Firefox 67.0.432-bit (US English)
Firefox 67.0.464-bit (US English)

Firefox 67.0.432-bit (US English)
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Firefox 68.0.232-bit (US English)
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Firefox 70.0.132-bit (US English)
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Firefox 70.0.132-bit (US English)
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Firefox 71.032-bit (US English)
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Firefox 72.0.232-bit (US English)
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Firefox 73.0.132-bit (US English)
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Firefox 73.0.132-bit (US English)
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Firefox 74.0.132-bit (US English)
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Firefox 74.0.132-bit (US English)
Firefox 74.0.164-bit (US English)

Firefox 75.032-bit (US English)
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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 Software For Windows 10

Firefox 78.0.232-bit (US English)
Firefox 78.0.264-bit (US English)

Firefox 78.0.232-bit (US English)
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Firefox 79.032-bit (US English)
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Mozilla Firefox Software Download

Firefox 80.0.132-bit (US English)
Firefox 80.0.164-bit (US English)

Firefox 80.0.132-bit (US English)
Firefox 80.0.164-bit (US English)

Firefox All Softwares Apps

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 82.0.332-bit (US English)
Firefox 82.0.364-bit (US English)

Firefox 82.0.332-bit (US English)
Firefox 82.0.364-bit (US English)

Firefox 83.032-bit (US English)
Firefox 83.064-bit (US English)

Firefox 83.032-bit (US English)
Firefox 83.064-bit (US English)

Important: By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings: Click the menu button and select .. In the General panel, go to the Firefox Updates section.

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: