Click and Go to Easy Facebook Calling set up video for Video and read more
Go to the Facebook Video Calling Getting Started Page.

Image: Facebook Video Calling – Get Started
STEP 2
Click GET STARTED.

Image: To set up video calling on Facebook
STEP 3
Click SAVE when prompted to save the Video Calling Plug-in.
The video calling plug-in is downloaded.
Step 4
You then open the downloaded file to install it.
This takes a few moments.
RUN the saved file.

Image: Facebook Video Calling – Install Progress Indicator
Once installed, the CALL button with an image of a video camera shows up on friends pages who have installed the Video Calling App.

Once installed, there will be less of a barrier for Facebook users to make video calls.
It’ll be interesting to see the adoption.
Update:
The Facebook Blog: Call Your Friends Right From Facebook
CIO: Facebook Video Calling: How to Get Started and Adjust Privacy Settings
Update II:
When on a call, if you have multiple cameras attached to your computer, you can switch between cameras using the camera dropdown menu at the bottom of the video chat window.
Source: Latest News in Nigeria (Newsnigeriana.com)
can not start video chat n canot installed it
I like facebook
can’t install it
ilike facebook
go in direct instal from fb chat …you see a camera icon then clik in that ..that will work!
do i need to login so that i can use video calling everytime in facebook?
wowwwww
i can’t install it.. how ???
after downloading, i cant install it..its not working…:(
cant install it..
i cant install it
its not working