Download Firefox ESR 38.2.1 - Extended Support Release Browser

Firefox ESR 38.2.1 is the Extended Support Release version of Mozilla's popular web browser, offering enhanced stability and security for enterprise environments. This download provides a reliable browsing experience with regular security updates while maintaining compatibility with legacy web applications.

Mozilla 38.2.1 45 MB

⬇️ Free Download

Firefox ESR 38.2.1 - Safe & Fast Download

45 MB File Size
38.2.1 Version
Free License

About This Software

Firefox ESR 38.2.1 combines the familiar Firefox interface with extended support cycles, making it ideal for organizations requiring stable browser environments. This version includes critical security patches and performance improvements while preserving compatibility with older extensions and web services. The ESR branch receives updates every six weeks, ensuring protection against vulnerabilities without the frequent feature changes of the standard release channel.

Key Features

1
Extended support cycle with regular security updates
2
Enhanced stability for enterprise environments
3
Compatibility with legacy web applications and extensions
4
Regular security patches without frequent UI changes
5
Cross-platform availability for Windows, Mac and Linux

How to Use

Simply download the installer for your operating system, run the installation wizard, and follow the on-screen instructions. After installation, you can customize Firefox with your preferred settings, extensions, and bookmarks. The browser automatically updates to ensure you have the latest security patches.

Conclusion

Download Firefox ESR 38.2.1 today for a secure, stable browsing experience perfect for enterprise environments and legacy application compatibility.

Frequently Asked Questions

What is the difference between Firefox ESR and regular Firefox?

Firefox ESR (Extended Support Release) receives security updates every six weeks but doesn't include new features, providing greater stability for enterprise environments.

Is Firefox ESR 38.2.1 still secure to use?

Yes, this ESR version includes all security patches available at the time of release, though newer ESR versions would have more recent security updates.

Can I use Firefox ESR 38.2.1 for personal browsing?

While designed for enterprise use, Firefox ESR 38.2.1 works perfectly fine for personal browsing if you prefer its stability over newer feature releases.