Key resources

If you just want to clear the Firefox cache, see How to clear the Firefox cache. To clear your browsing history, cookies and temporarily cached files at once, see Delete browsing, search and download history on Firefox. To prevent websites from storing cookies on your computer, see Block websites from storing cookies and site data in Firefox. Mozilla provides Firefox 3 for Windows, Linux, and Mac OS X in a variety of languages. Create bootable flash drive mac. You can get the latest version of Firefox 3 here. For builds for other systems and languages not provided by Mozilla.org, see the Contributed Builds section at the end of this document.
- If you just want to clear the Firefox cache, see How to clear the Firefox cache. To clear your browsing history, cookies and temporarily cached files at once, see Delete browsing, search and download history on Firefox. To prevent websites from storing cookies on your computer, see Block websites from storing cookies and site data in Firefox.
- Mozilla Firefox is a feature-rich and highly customizable web browser that’s user-friendly enough for beginners and sophisticated enough for advanced users. Firefox has managed to retain significant market share despite stiff competition from Google Chrome and Microsoft Internet Explorer and Edge.
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.
Mac will not update. 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.
About Mozilla 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.
About Mozilla Firefox Browser
Contents
- 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.
- Privacy
- This document lists privacy-related documentation.
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.
See also
How to Check Mozilla Firefox Version
Imac os upgrade. This tutorial will guide you on how to check the version of Mozilla Firefox Browser your computer system is running. Please the step highlighted below to check the version
How to Check Mozilla Firefox Browser Version
1) Launch the Mozilla Firefox Browser
2) On the top right hand corner, click on the three horizontal lines, then click on the Open Help Menu (it is marked with a box in orange colour).
3) On the Help Menu, Click on About Firefox
4) A window About Mozilla Firefox will open showing the version of Mozilla Firefox browser ran by the system and then it will check their server if you have the latest update of Mozilla Firefox Browser, if not, it can be updated their.
Hope with this, you have been to learnt How to Check Mozilla Firefox Browser version.
Tell Me About Mozilla Firefox
Please share and like below, also comment below for any problem encountered. ThanksFacts About Mozilla Firefox
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