How to use Skype for teaching online?

How to use Skype for business for teaching online? 

Step 1: Basic sign up and settings
** IMPORTANT and attention for students: 
Click this and install your skype for business 
https://login.microsoftonline.com

Step 2: Adding contact lists

Step 3: Messaging 

Step 4: Calling 

Step 5: Sharing information (files, notes, images, and etc)

Students and lecturer sharing information with each other. 

Step 6: Screen Sharing for students to view (pictures, 
documents and etc)
Student shares his slide:

Lecturer share her screen: 

The End