Free Download Firefox 12-51 52 Esr -

Since it is a legacy version, you won't find it on the main Firefox download page. To get it, you must use the official Mozilla FTP Archive . : Go to the 52.0esr directory.

Create a brand new profile specifically for your legacy browser. 3. Isolate Your Browsing Download Firefox 12-51 52 Esr

Once inside the specific version directory, you will see folders categorized by operating system and architecture: Since it is a legacy version, you won't

Introduced the Social API and click-to-play activation for outdated plugins to improve security. Firefox 22 to 37: Performance and Interface Overhauls Since it is a legacy version