Skype is a free program that allows you to chat with other users and even call them using the utility. With a webcam installed on your computer, those calls can display video, in addition to voice capabilities. But even with a webcam installed, you’ll have to tweak some of Skype’s settings to use the camera during a call to your friends or family.
If you use a Mac webcam built-in to your computer and want to video chat in Skype, you can do so by using the program’s Preferences menu.
Click on the “Skype” menu tab at the top of the screen once the program opens.
Click on the “Video” option.
Check the box next to “Enable Skype Video.”
Click on the box next to the “Camera” option. Click “Built-in iSight” to enable the Mac’s camera in Skype.
Check the box next to “Start my video automatically” under the heading labeled “When I am in a call.” Close the Preferences window when finished.