Download Firefox 12-51 52 Esr [verified] -

Select your operating system (e.g., win32 , win64 , mac , or linux-x86_64 ).

There are three primary reasons for seeking these specific builds: Operating System Support Download Firefox 12-51 52 Esr

Let's break down the key innovations introduced in each major version during this rapid-release era. This timeline illustrates how the browser evolved month by month. Select your operating system (e

These versions introduced advanced developer tools, interface overhauls, and better HTML5 support. Select your operating system (e.g.

Notes up front: