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
Browse our self-help options first or continue to ask your question and get help.
Firefox 78 was the last supported version for Mac OS X 10.9, 10.10 and 10.11. Users were moved to Firefox Extended Support Release (ESR).
Firefox offers an Extended Support Release (ESR) based on a regular release of Firefox for desktop for use by organizations. Learn more.
Firefox supports setting policies via Active Directory as well as using Local Group Policy.
How to choose between rapid release and extended support release (ESR).
