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Mozilla is ending updates for Firefox on Windows Xp and Windows Vista. The last supported version of the popular browser on the older operating systems by Microsoft will be Firefox Version 52, according to a. The supported operating systems by Microsoft are now limited to Windows 7, Windows 8 and Windows 10. While new features will not be released for the older operating systems, Firefox will continue to deliver security patches till September 2017. The main reason Firefox is ending updates on the browser for older operating systems, is out of concern for the security of the machines. Microsoft itself has ended support for Windows XP and Windows Vista. According to the developers, it is difficult to maintain a reliable and safe version of the software once the underlying operating system itself is no longer being supported.

Those who want to continue to use Firefox will either have to upgrade to a newer operating system, or switch to a Linux distribution. Those using the browser on Windows Xp or Windows Vista will automatically be upgraded to the extended support release version of Firefox. Other competing browsers, including Internet Explorer and Google Chrome have already stopped supporting Windows XP and Windows Vista. Support for enterprises using Firefox will also end after September 2017.

According to a, continuing to use the older versions of the browser on outdated operating systems may be difficult.

In approximately March, 2017, Windows XP and Vista users will automatically be moved to the (ESR). Firefox is one of the few browsers that continues to support Windows XP and Vista, and we expect to continue to provide security updates for users until September 2017. Users do not need to take additional action to receive those updates.

In mid-2017, user numbers on Windows XP and Vista will be reassessed and a final support end date will be announced. In the meantime, we strongly encourage our users to to a version of Windows that is supported by Microsoft. Unsupported operating systems receive no security updates, have known exploits, and are dangerous for you to use. For planning purposes, enterprises using Firefox should consider September 2017 as the support end date for Windows XP and Vista.

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Windows Operating Systems (32-bit and 64-bit) • Windows 7 • Windows 8 • Windows 10 Recommended Hardware • Pentium 4 or newer processor that supports SSE2 • 512MB of RAM / 2G of RAM for the 64-bit version • 200MB of hard drive space Mac Operating Systems • macOS 10.9 • macOS 10.10 • macOS 10.11 • macOS 10.12 • macOS 10.13 Recommended Hardware • Macintosh computer with an Intel x86 processor • 512 MB of RAM • 200 MB hard drive space GNU/Linux Software Requirements Please note that GNU/Linux distributors may provide packages for your distribution which have different requirements. • Firefox will not run at all without the following libraries or packages: • GTK+ 3.4 or higher • GLib 2.22 or higher • Pango 1.14 or higher • X.Org 1.0 or higher (1.7 or higher is recommended) • libstdc++ 4.6.1 or higher • For optimal functionality, we recommend the following libraries or packages: • NetworkManager 0.7 or higher • DBus 1.0 or higher • GNOME 2.16 or higher • PulseAudio.