Firefox 77 Portable ((full)) Download -

Run multiple versions of Firefox side-by-side to test web designs without impacting your main local installation.

Mozilla Firefox, Portable Edition 77.0.1 (web browser) Released

To get started with Firefox 77 Portable, follow these steps: firefox 77 portable download

Version 77 introduced significant debugging enhancements, making it faster for developers to load and step through sources with lower memory consumption.

The portable edition retains the core performance of the standard Firefox 77 release while adding mobility-specific optimizations: Run multiple versions of Firefox side-by-side to test

This version fixed several issues for screen reader users, including better JAWS support and accessible date/time labels.

Firefox 77 Portable is a specialized version of the popular web browser designed to run directly from a USB flash drive, cloud folder, or external hard drive without needing installation on a host computer. Released in June 2020, this version is frequently sought by users who need to maintain a consistent browsing environment across different Windows PCs while keeping their bookmarks, extensions, and passwords private. Firefox 77 Portable is a specialized version of

It includes both 32-bit and 64-bit versions, automatically launching the one that provides the best performance for the current PC.

It does not modify the Windows registry or leave personal information on the machine it runs on.