Mozilla Firefox 55 is a web browser developed by Mozilla Foundation, available for download in full install version for Windows platforms from legacy sources. This version of Firefox was officially released on 2017-08-08 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

The new multi process architecture implemented in the Firefox 55 version can dramatically reduce the startup time of the browser especially with multiple tabs of previous session, and this can be customized by the user as per their personal preference.

With one-click-search feature integration address bar would prioritize the secured sites over non-secured sites.

The developers achieved a new milestone by including support for WebVR, the virtual reality JavaScript API, which could open up the world of virtual reality application creation and deployment in the hand held devices.

Users can extend battery life while watching videos by customizing hardware VP9 acceleration and can customize concurrent content process for faster page loading.

Now users can create web pages snapshots and share or upload. An improved Print preview could make printing of pages much easier and editable.