How to login Facebook from two different account at same time from Chrome Or FireFox

Now, Today I'm going to teach you how you can login to Facebook from two different account at same time from Chrome Or FireFox.

For Chrome 

As I suppose you're login in Facebook from chrome.
Go to Incognito mode from chrome (ctrl+shift+N)
and Sign in to Facebook.

For FireFox

As I suppose you're login in Facebook from firefox.
Go to private browsing from FireFox (ctrl+shift+P)
and Sign in to Facebook.


That's all. Now you're sign in two of your account at same time with an ease