Firefox 77 Portable [repack] Download 〈2026 Update〉

The portable launcher is optimized to reduce the number of writes to flash drives, extending the lifespan of your USB device. How to Download and Install

Run multiple versions of Firefox side-by-side to test web designs without impacting your main local installation. firefox 77 portable download

It includes both 32-bit and 64-bit versions, automatically launching the one that provides the best performance for the current PC. The portable launcher is optimized to reduce the

Improved the ease of managing and removing Pocket from the browser interface. Why Download the Portable Version? Improved the ease of managing and removing Pocket

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.

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

Use your own browser on library, school, or work computers without leaving a trace of your history.