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Mozilla Firefox (eo) 140.0.2 download

Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.

Mozilla Web browsers
This is an older version. The current version is 159.0. Mozilla Firefox (eo) 159.0 · Released:
140.0.2 is part of the 140 (ESR) line, which reached its end of life on September 29, 2026. It no longer receives security fixes. endoflife.date

Installer files 140.0.2

ArchitectureTypeScopeFile sizeDownloadSHA256
64-bit EXE (NSIS) All users — download-installer.cdn.mozilla.net VirusTotal
ARM64 EXE (NSIS) All users — download-installer.cdn.mozilla.net VirusTotal
32-bit EXE (NSIS) All users — download-installer.cdn.mozilla.net VirusTotal

Link and SHA256 come from the Windows Package Manager community manifest. Compare the hash of the downloaded file before running it.

Release notes

Fixed
- Fixed a startup crash on Windows experienced by some users. (Bug 1974259)
- Reference link to 140.0.1 release notes.

https://www.mozilla.org/firefox/140.0.2/releasenotes/

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