Firefox Esr 80 New! Download May 2026

The "Master Password" feature was officially renamed to Primary Password .

Because version 80 was not a standalone ESR base, organizations typically remained on the branch during its lifecycle. If you require version 80 for specific compatibility testing, you can access the archived binaries for various operating systems: Windows (64-bit): Download Firefox 80.0 MSI/EXE Windows (32-bit): Download Firefox 80.0 MSI/EXE macOS: Download Firefox 80.0 DMG Linux (64-bit): Download Firefox 80.0 tar.bz2 Key Features and Changes in Version 80

While a specific "ESR 80" base does not exist, users seeking a download for the version 80 release cycle typically download Firefox 80.0 or Firefox 80.0.1 from the Official Mozilla Archive . Downloading Firefox 80 (Standard Release) firefox esr 80 download

Improved performance by using a more efficient blocklist for malicious extensions.

Firefox 80 introduced several refinements to the browsing experience and enterprise management: The "Master Password" feature was officially renamed to

Added the Permissions policy to manage virtual reality notifications and a preference to toggle warnings when submitting forms from insecure to secure contexts. System Requirements for Firefox 80 Minimum Requirement Operating System Windows 7, 8, or 10; macOS 10.12+; GNU/Linux Processor Pentium 4 or newer with SSE2 support RAM 512MB (32-bit) / 2GB (64-bit) Hard Drive 200MB available space Important Security Warning Firefox for Enterprise 80 - Release notes - Mozilla Support

Set as the default system PDF viewer for some users, allowing for streamlined document handling without external software. Firefox ESR 80 was not a primary base

Firefox ESR 80 was not a primary base version for the (ESR) channel; instead, it was released as a standard "Rapid Release" version on August 25, 2020 . During this period, the active ESR versions were Firefox ESR 78 and Firefox ESR 68 .