Step 1: Open the Skype application.
Step 2: Hover over "Tools" and click "Options".
Step 3: In the bottom left click the "Advanced" tab.
Step 4: Now select "Connection" from the Advanced tab.
Step 5:
Make the following changes:
Change the incoming connections port to "32535".
Check the box that says "Use port 80 and 443..."
In automatic proxy detection, select HTTPS in the drop-down box.
Change host to "127.0.0.1" and the port to "40031".
Uncheck the box that says "Enable proxy authentication"
Uncheck the box that says "Enable uPnP"
Check the box that says "Allow direct connections to your contacts only".
You are now finished, enjoy!