: It maintains compatibility with older XUL-based extensions that were disabled in later "Quantum" updates.
While mostly obsolete, some users still seek version 3.6 for specific technical reasons: download old version of mozilla firefox 3.6
: It was the last major version to support older operating systems like Windows XP SP2 and older Mac OS X versions. : It maintains compatibility with older XUL-based extensions
Follow these steps to find and install the specific version you need: This archive serves as a public repository for
To download the old version of Mozilla Firefox 3.6, you must access the Official Firefox Release Archive hosted by Mozilla. This archive serves as a public repository for every version ever released, though Mozilla strongly advises against using such an outdated browser due to critical security vulnerabilities. How to Download and Install Firefox 3.6
: After installation, disconnect from the internet before launching. Once open, go to Settings > Advanced > Update and select "Never check for updates" to prevent it from automatically upgrading to a modern version. Why Use Firefox 3.6?