Sometimes users want to install an older version of Firefox because of changes in features or compatibility issues. However, using older versions is not recommended.

Please note that 64-bit builds of Firefox are only supported on Windows 7 and higher. To install Firefox on a Windows XP system, because of Windows restrictions, the user will have to …

Dec 8, 2025 · The latest official version of Firefox that comes with support for both Windows XP and Windows Vista, especially aimed at organizations or public institutions with slightly …

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ESR (Extended Support Release) is a long-term support build of Firefox, with security updates, for anyone using outdated infrastructures including Windows XP and Vista.

Jun 26, 2018 · The official Mozilla Firefox 52.9.0 ESR, the last version to support Windows XP. This is win32.

Aug 30, 2024 · As of 2018, the last version of Firefox that officially supports Windows XP is Firefox 52.9.0 ESR (Extended Support Release). This version was released in June 2018, …

Dec 9, 2025 · Enjoy the capabilities of the renowned Firefox browser on deprecated systems in institutions or businesses with the help of this portable app that offers extended support for …

Dec 3, 2025 · So, let’s break it down. First off, Mozilla Firefox officially stopped supporting Windows XP in September 2017. But you might wonder why that happened. The thing is, as …

How to Download Firefox on Windows XP [Tutorial] In this tutorial, you will learn how to install Mozilla's Firefox web browser on your computer.