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MajorGeeks.Com » Browsers » Browsers - Mozilla Firefox » Mozilla Firefox ESR 140.4.0 » Download Now

Mozilla Firefox ESR 140.4.0


Author: Mozilla
Date: 10/13/2025
Size: 60-128 MB
License: Open Source
Requires: 11|10|8|7|Linux|macOS
Downloads: 3892 times

tip TIP: Click Here to Repair or
Restore Missing Windows Files
Download (32-Bit)
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Download (64-Bit Linux)
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Rate This Software:
5 (49 votes)



MajorGeeks: Setting the standard for editor-tested, trusted, and secure downloads since 2001.


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Mozilla Firefox ESR (Extended Support Release) is a version of the Mozilla Firefox web browser designed for use in organizations and enterprises. It provides a stable and extended support cycle, with security updates and maintenance over an extended period. It is ideal for businesses and institutions requiring a reliable and secure web browsing experience. Mozilla Firefox ESR Portable is also available.

Mozilla Firefox is a high-speed, fully-featured web browser known for its user-friendly interface. It offers an array of impressive features, including efficient popup-blocking, convenient tabbed-browsing, seamlessly integrated search capabilities, enhanced privacy features for secure browsing, automatic updating to ensure the latest security patches and improvements, and much more.

Mozilla Firefox ESR (Extended Support Release) is specifically tailored for organizations that need a more controlled and stable browser deployment. It provides a separate release schedule and version from the standard Firefox Stable version. This ESR is particularly beneficial for large organizations such as universities, schools, government entities, businesses, and the developers who support them. The ESR version ensures long-term support and stability for the desktop environment, making it ideal for deployment and maintenance in these settings.

The standard Mozilla Firefox, for example, is recommended for individual users who do not require the specialized features and support offered by the ESR version.

This Mozilla Firefox Extended Support Release (ESR) includes all of the enhancements since Firefox 128, along with many new features to make your enterprise deployments easier and even more flexible.


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Version History for Mozilla Firefox ESR:
https://www.mozilla.org/en-US/firefox/140.4.0/releasenotes/

Editor's Note:
Does not support Windows 7/8 or macOS 10.12-10.14.


Screen Shots Screenshot for Mozilla Firefox ESR
Official Download Mirror for Mozilla Firefox ESR


Top Downloads In Browsers - Mozilla Firefox

Cyberfox 52.9.1 [ 2018-06-30 04:11:06 | 78.4 MB+ | Freeware | Win 10 / 8 / 7 | 5 ]
Cyberfox Web Browser is a web browser based on Mozilla Firefox with the intent of being fast, stable & reliable.

Tor Browser Bundle 32-Bit 15.0 [ 2025-10-28 16:49:32 | 108 MB | Freeware | 11|10|8|7 | 5 ]
Tor Browser Bundle protects your privacy and defends you against network surveillance and traffic analysis. 64-Bit version available here.

Pale Moon 33.9.1 [ 2025-10-21 07:27:19 | 37 MB | Open Source | 11|10|8|7|Linux | 5 ]
Pale Moon is a fast and stable Open Source alternative to the standard Firefox browser.

Waterfox 6.6.4 / 2022.11 Classic [ 2025-10-09 10:26:19 | 72-169 MB | Open Source | 11|10|8|7|Linux|macOS | 5 ]
Waterfox provides you with a high-performance Open Source 64-Bit version of Mozilla Firefox. Waterfox Portable via Portapps.io is also available.

Pirate Tor Browser 0.8 (11.0.14) [ 2022-06-08 17:26:40 | 109 MB | Freeware | 11|10|8|7 | 5 ]
Pirate Tor Browser is a bundle package of the Tor client and Firefox Portable browser and custom configs that allow you to circumvent censorship.

« Qmmp 2.3.0 / 1.7.8 · Mozilla Firefox ESR 140.4.0 · XnView MP 1.9.5 »


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