Firefox ESR

Firefox ESR

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This specialized browser version offers extended support, designed for corporate and educational institutions. It delivers long-term stability through infrequent, yet thoroughly tested, feature updates. The interface, extension support, bookmark management, and settings remain identical to the main release. All critical security updates are installed automatically and promptly, ensuring data protection. It's the ideal solution for IT administrators who need a predictable and uniform browser for large computer fleets without frequent operational changes.

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02 Jun 2026
Title Firefox ESR
Size 69.9 MB
Price free of charge
Category Utilities
Developer Mozilla
System Windows
69.9 MB
5
124 reviews
1116
downloads
The content of games with a PEGI 3 rating is considered suitable for all age groups. The game should not contain any sounds or pictures that are likely to frighten young children. A very mild form of violence (in a comical context or a childlike setting) is acceptable. No bad language should be heard. Equivalent to E (low end) and EC (which is no longer used). 435 titles were rated PEGI 3 in 2020.
PEGI Rating

Firefox ESR installation

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Firefox ESR Features

Firefox ESR provides a stable and secure platform for web browsing, perfectly suited for organizational use. It guarantees long-term support and a consistent user experience for everyone. The browser supports extensions, flexible customization, and automatic security updates, delivering reliability without compromise.

Long-Term Support

Stable updates for organizations with guaranteed compatibility and a single version across all devices.

Automatic Security

Regular protection updates are installed automatically, ensuring safe browsing without user intervention.

Extensions & Customization

Support for thousands of add-ons to personalize the browser for specific needs and workflows.

Bookmark Management

Convenient organization and synchronization of bookmarks for quick access to important resources.

Fast Search

Integrated search tools with smart suggestions and result filtering support.

Enterprise Stability

Optimized for large institutions with minimal changes to the interface and core features.

Firefox ESR overview

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    Get a browser that keeps things stable and secure. It gives you extended support, so you can stay on the latest version without hassle. Manage your privacy settings easily and tap into community help. Everything here makes browsing smoother and safer

Firefox ESR FAQ

Firefox ESR

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