custom design templates

how to Create custom design templates in PowerPoint :confused:

1. Open a new, blank presentation
2. Choose View, Title Master from the top menu
3. Format the title slide as desired
4. Close the title slide and choose View, Slide Master
5. Format as desired
6. Choose File, Save As from the top menu
7. From the drop down box Save as type, choose Design Template (*.pot)
8. If this isn't clear, let me know

Thanks this was very helpfull.