Here is how you can find those classic builds and a little story about how we got here. 📥 How to Download Old Versions
Q: Can I still get support for an old version of Firefox? A: Mozilla only provides support for the latest version of Firefox. If you're using an older version, you may not receive support or bug fixes.
Now you have the complete, authoritative guide to safely, without installing malware or breaking your modern setup. download mozilla firefox old version
Download the correct file type:
Downloading an older version of Mozilla Firefox is a straightforward process, though it requires specific steps to ensure you are getting a legitimate installer from official sources. How to Download Old Firefox Versions Safely Here is how you can find those classic
Last updated: 2026-05-13
: Select linux-i686/ (32-bit) or linux-x86_64/ (64-bit). If you're using an older version, you may
Downloading an older version of Firefox is a perfectly valid tool for developers, historians, and enterprise IT – provided you respect the security boundaries. Save the direct FTP links, bookmark them, and always verify the SHA256 checksums when available.
Sites like OldVersion.com also host legacy installers if you find the official FTP site a bit overwhelming.