Your webcam turns on automatically. A pop-up menu displays a thumbnail view of your own video at the bottom of the screen
2.Assign the Hangout a name,This name will appear in the invite that your Hangout partners receive.
3.Add friends either by typing their names in the top search box or selecting their profile pictures in the panel to the right.
Check the box that says “Enable Hangouts on Air” if you’d like your Hangout to be broadcast live and recorded as a YouTube video
4.Select the “Hang out” button to launch the video chat room and send invites to your friends.
When the video chat room launches, you’ll see your video feed as a thumbnail at the bottom, along with thumbnails for other callers as well. The large video player is reserved for the person who’s talking and it switches from one talker to another almost instantly.