In order to create an internal link, open the Toolbox and add a Shape from the Tools panel. Then follow these steps to create an Internal link: 

  • Open or select the Properties Window 
  • Open the Events tab in this window 
  • Select "Mouse Click" 
  • Click "Select Action" 
  • Open the "Navigation" group, and select the "Go to page..." action 
  • Click "Next" 
  • Enter the page number that is the target for the Internal Link 
  • Click "Finish" to make the Shape object send the user to the desired page when clicked