How to do Multiple Firefox Profile? It is very very easy if you follow my step. But first what is “Multiple Firefox Profile”? Normally Firefox has only one profile to use, which is default you have to follow my step to activate multiple Firefox features. Firefox support many profile so you can have 3 profile or more for use multiple account. For example if you want to login 5 Facebook account in the same time, you can do it by create 5 Firefox profile. (more…)