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Mozilla Firefox (eo) 151.0.1 download

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

This is an older version. The current version is 160.0. Mozilla Firefox (eo) 160.0 · Released:
151.0.1 is part of the 151 line, which reached its end of life on June 16, 2026. It no longer receives security fixes. endoflife.date

Installer files 151.0.1

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

Version 151.0.1, first offered to Release channel users on May 21, 2026

Fixed
- Fixed a crash experienced by users with Intel Raptor Lake CPUs. (Bug 1950764)
- Fixed an issue on Windows where some websites using WebSerial to flash device firmware could fail unexpectedly. (Bug 2040754)
- Reference link to 151.0 release notes.

https://www.firefox.com/en-US/firefox/151.0.1/releasenotes/

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