Suppose you have installed the new version of Firefox in your computer and you also downloaded a portable version of it. You want to run both of them at the same time, side by side. But you won’t be able to do that straight away.
Here is a tool to help you run the portable version of firefox and the firefox installed in you system together. It is called ” TwinFox “. You could download it from the link given below. TwinFox helps you to run both the portable and the installed firefoxes together.
Download TwinFox from here.