Plus, thanks to the launcher bundled in the Mozilla Firefox, Portable Edition, it leaves no personal information behind on the machine you run it on, so you can take your favorite browser along with all your favorite bookmarks and extensions with you wherever you go. It has lots of great features including popup-blocking, tabbed-browsing, integrated search, improved privacy features, automatic updating and more. Mozilla Firefox® is a fast, full-featured web browser that's easy to use. Individual users should use standard Mozilla Firefox, Portable Edition. It is intended for groups who deploy and maintain the desktop environment in large organizations such as universities and other schools, county or city governments and businesses and the developers who support them.

Mozilla Firefox® Portable Edition Legacy 52 is the final release of the 52.x branch of the Extended Support Release of the Mozilla Firefox web browser bundled with a launcher as a portable app, so you can take your browser, bookmarks and passwords with you.

Mozilla firefox 52 esr