Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Featured Articles

Manage Firefox with Microsoft Endpoint Manager (Intune)

Manage Firefox with Microsoft Endpoint Manager (Intune)

How to manage Firefox for Enterprise with Microsoft Intune (Endpoint Manager)

How to silently install/uninstall Firefox for Enterprise

How to silently install/uninstall Firefox for Enterprise

Learn how to silently install and uninstall Firefox.

Customize Firefox using policies.json

Customize Firefox using policies.json

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

Legacy browser support extension for Windows

Legacy browser support extension for Windows

Add-ons and older versions of Firefox ESR may enable your users to run legacy add-ons and view websites that require Internet Explorer.