Change the size of your slides - Microsoft Support

Use Widescreen (16:9) or Standard (4:3) or choose a custom size for your slides.

Change the page orientation in PowerPoint - Microsoft Support

Sizing PowerPoint file to match size it will be in a Word file

Changing Slide Dimensions in PowerPoint

Add speaker notes to your slides - Microsoft Support

Add color and design to your slides with Themes - Microsoft Support

Add a border to a slide - Microsoft Support

How to increase PP size : r/technicallythetruth

How to create the document (Microsoft PowerPoint) (Windows)

Job Support Scheme Pay Out Ppt Powerpoint Presentation Ideas Microsoft Cpb, Presentation Graphics, Presentation PowerPoint Example

How to Change the Slide Size in PowerPoint Presentations

Record your presentation - Microsoft Support

Sizing PowerPoint file to match size it will be in a Word file