Then, to use Firefox on your drive, launch it with the executable in the Firefox directory. It will create a 'Firefox' directory and all the requisite directories underneath. » » Mozilla Firefox 111.0.1 Win/Mac/Linux + Farsi + Portable. To install Mozilla Firefox Portable, download and extract it to your USB drive's root directory. Mozilla Firefox 111.0.1 Win/Mac/Linux + Farsi + Portable. You should only download Firefox from trusted sources. WARNING: Use caution when downloading Firefox from unofficial sources.

However, you can find a portable version that someone has repackaged on, but it's not officially supported by Mozilla. It will also work from a CDRW drive (in packet mode), ZIP drives, external hard drives, MP3 players, flash RAM cards, etc. Unfortunately, Mozilla does not officially release a portable version of Firefox.

It has some specially-selected optimizations to make it perform faster and extend the life of your USB key and a specialized launcher that will allow most of your favorite extensions to work as you switch computers.

Mozilla Firefox Portable is the PortableApps version of Mozilla Firefox, so that you can take your Firefox anywhere you go preserving all your settings, add-ons, and more.

Firefox portable zip