Here's how to allow users to close the page in the browser and add a Close button to the last slide of the course. 

  1. Open the last slide and go to the Insert tab.



  2. Then, click Shapes and select Rectangle.



  3. Next, add text to the shape. For example, “Finish”.



  4. Press Ctrl and select the shape and text. Then, right-click and choose Group.



  5. Select the shape and go to the Insert tab. Click Action on the toolbar.



  6. Go to the Mouse Click tab and select Hyperlink to.



  7. Then, select End Show in the drop-down menu.



  8. Finally, click OK.



    Done! You’ve now added a Close button to your course.