Follow these steps to uninstall Showmaster from PowerPoint.

1. Open PowerPoint and click on the Insert ribbon.
   
2. Click My Add-ins. Do not click on the little triangle but on the actual button.
   
3. Click on the three little dots, next to Showmaster.
   
4. Then click Remove.
   

Done! If you would like to provide us your feedback, we are always very happy to hear how we can do better in the future.