Facebook recently started video calling , Â To make a video call you have to set it for the first time. Â I will explain you how to make video calls in Facebook in a step by step Guide.
Just go to the below given facebook link and click on start as shown in the below screenshot.
It will ask you to install the video call software. Just install the software.
Once you have installed this software you can see the video call button on the top of the chat bar box.