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Mozilla Firefox, Portable Edition - Legacy Editions

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Mozilla Firefox®, Portable Edition legacy editions are available for web developer and extension developers to test against. These versions are not support by PortableApps.com and may have known bugs and security issues. Individual users should use standard Mozilla Firefox, Portable Edition.

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Mozilla Firefox, Portable Edition legacy editions works best with the PortableApps.com Platform

Version 52 (ESR) - Security Patches Through June 21, 2018

Visit the Firefox Portable Legacy 52 - 52.9.0 homepage.

Version 45 (ESR) - Security Patches Through June 13, 2017

Last Updated: 2017-04-22

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