
Copy everything from the local profile folder to the Profile folder on your USB device. Take care that you are clearing the right Profile folder. Delete everything from the Profile folder on your USB device. Open your USB device, and browse to the installation folder, then Data, then Profile. This launcher ensures that Firefox runs correctly in a portable environment, and cleans up after itself when it is finished to ensure no personal information is left behind.) Now close Portable Firefox. (Always run FirefoxPortable.exe from the installation directory NEVER run firefox.exe from the subfolders. Run Portable Firefox once and answer the setup questions. Open the folder which starts with a series of random characters and ends in Default, or your profile's name if you have more than one. Follow the instructions on this page to locate your profile. Firefox Portable is a dual-mode 32-bit and 64-bit app, ensuring Firefox runs as fast as possible on every PC.Copy your local Firefox profile to your USB device: 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.