Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

Firefox for Enterprise Support

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Firefox Support for Organizations

Firefox Support for Organizations

A dedicated enterprise-level offering for organizations who need private issue triage and close collaboration with Mozilla's engineering and product teams.

Firefox ESR release cycle

Firefox ESR release cycle

Firefox offers an Extended Support Release (ESR) based on a regular release of Firefox for desktop for use by organizations. Learn more.

Deploy Firefox with MSI installers

Deploy Firefox with MSI installers

Firefox Enterprise offers MSI installers to help system administrators customize and deploy Firefox in their environments.

Customize Firefox using policies.json

Customize Firefox using policies.json

Cross-platform policy support can be implemented using a JSON file called policies.json.

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