This video demonstrates how to use Skype to make calls. The best thing about it is that it is free. You only need a computer, a microphone and a web camera. To use Skype, you first have to download the Skype software. This can be done through the website of Skype. Then install the Skype on your computer. Next you need to have an account created. For this you have to provide a screen name and also your email address. You need to type a password for your account too. Once your account is created you can log into it by using your user name and password. Then you can add contacts . You can either chat with them or call them. You can even check the history to know about the conversations with a contact. In the bottom bar of the Skype window you can see how many people are currently logged in and using Skype.