1. First, you need to add the person you wish to call in your Contact List. If in case you don’t know how, you can check the link below;
2. The easiest way to make a Skype-to-Skype audio call or video call is to open the contact window by selecting and double-clicking on the name of the contact you want to call…
…then click the “Call” button for audio calls, or the “Video Call” button for calls with video;
3. You can also point the cursor on the name of the contact you wish to call, right-click, then select Call or Video Call.