[[Find what version of Firefox you are using|Firefox version]] 52.9 was the last complete update for Windows XP and Windows Vista. No more security updates or new features will be released after June 26, 2018. =Why is Firefox support ending for Windows XP and Vista users?= Firefox was one of the last browsers to offer any support for Windows XP and Vista. Microsoft itself ended support for Windows XP in [https://support.microsoft.com/help/13853/windows-lifecycle-fact-sheet 2014] and will end support for Windows Vista in [https://support.microsoft.com/en-us/help/13853/windows-lifecycle-fact-sheet 2017]. Unsupported operating systems receive no security updates, have known exploits, and can be dangerous to use, which makes it difficult to maintain Firefox on those versions. =Will switching to a different browser keep me protected?= Unfortunately not. Most browsers (such as Google Chrome and Microsoft Internet Explorer) have already ended support for Windows XP and Windows Vista. =Can I still browse safely with Firefox?= Unfortunately not. Unsupported browsers receive no security updates, have known exploits, and can be dangerous to use. =How can I get the newest features of Firefox?= If you want to keep your Firefox up to date, with all the latest features and updates, you'll need to upgrade your computer's operating system. *Upgrade to a Windows version that Microsoft still supports, such as Windows 7, 8 or 10. Learn how [https://www.microsoft.com/windows/en-us/xp/upgrade-options.aspx here]. Windows versions that are not supported by Microsoft are unreliable and unsafe to use, which also makes it difficult to maintain Firefox on those versions. *(Advanced): Switch to a [https://wikipedia.org/wiki/Linux Linux]-based operating system. Please see the support websites for the version of Linux that you're interested in. =I am a Firefox for enterprise user – when will support for Windows XP and Vista end?= For planning purposes, enterprises using Firefox should consider June 26, 2018 as the support end date for Windows XP and Vista. =When will support for Firefox Nightly and Aurora on Windows XP and Vista end?= Support for Windows XP and Vista has already ended for Firefox Nightly and Aurora users. Please consider moving to the release version of Firefox by downloading it [https://www.mozilla.org/firefox/new/ here] or upgrade your operating system to a version of Windows that Microsoft still supports, such as Windows 7, 8 or 10. Learn how [https://www.microsoft.com/windows/en-us/xp/upgrade-options.aspx here].

Firefox version 52.9 was the last complete update for Windows XP and Windows Vista. No more security updates or new features will be released after June 26, 2018.

Why is Firefox support ending for Windows XP and Vista users?

Firefox was one of the last browsers to offer any support for Windows XP and Vista. Microsoft itself ended support for Windows XP in 2014 and will end support for Windows Vista in 2017. Unsupported operating systems receive no security updates, have known exploits, and can be dangerous to use, which makes it difficult to maintain Firefox on those versions.

Will switching to a different browser keep me protected?

Unfortunately not. Most browsers (such as Google Chrome and Microsoft Internet Explorer) have already ended support for Windows XP and Windows Vista.

Can I still browse safely with Firefox?

Unfortunately not. Unsupported browsers receive no security updates, have known exploits, and can be dangerous to use.

How can I get the newest features of Firefox?

If you want to keep your Firefox up to date, with all the latest features and updates, you'll need to upgrade your computer's operating system.

• Upgrade to a Windows version that Microsoft still supports, such as Windows 7, 8 or 10. Learn how here. Windows versions that are not supported by Microsoft are unreliable and unsafe to use, which also makes it difficult to maintain Firefox on those versions.
• (Advanced): Switch to a Linux-based operating system. Please see the support websites for the version of Linux that you're interested in.

I am a Firefox for enterprise user – when will support for Windows XP and Vista end?

For planning purposes, enterprises using Firefox should consider June 26, 2018 as the support end date for Windows XP and Vista.

When will support for Firefox Nightly and Aurora on Windows XP and Vista end?

Support for Windows XP and Vista has already ended for Firefox Nightly and Aurora users. Please consider moving to the release version of Firefox by downloading it here or upgrade your operating system to a version of Windows that Microsoft still supports, such as Windows 7, 8 or 10. Learn how here.