Firefox is the open-source browser with enterprise-grade security, privacy, and flexibility. Use Firefox for the latest features or ESR for long-term stability.

Nov 7, 2017 · REDIRECT Switch to Firefox Extended Support Release (ESR) for personal use Share this article: https://mzl.la/3djbON9 These fine people helped write this article:

5 days ago · Download Firefox ESR - Get unmatched data protection on the release cadence that suits you with Firefox Extended Support Release.

Mozilla Firefox ESR (Extended Support Release) is a long-term support build of Firefox, with security updates, for anyone using outdated infrastructures including Windows XP and Vista.

Mar 11, 2026 · Download Firefox ESR for Windows XP, Vista, 7, 8, 8.1 140.8.1 / 128.14.0 / 115.33.0 / 52.9.0 - The latest official version of Firefox that comes with support for both Windows XP and …

Index of Firefox ESR version files for download and installation.

Jul 23, 2025 · In this article, we will discuss the steps needed to Download & Install Extended Support Release on Firefox for Old versions of OSes. What is Firefox Extended Support Release (ESR) on …

Sep 3, 2024 · We are pleased to announce the release of two new Firefox ESR versions today, 115.15.0 and 128.2.0. Both are available for download from https://www.mozilla.org/firefox/organizations/all/...

Jul 16, 2024 · Looking for more stability and reliability from your browser? Get to download the Firefox ESR version and enjoy extended support.

Jun 24, 2025 · Firefox 140 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 …