To begin, open a PowerPoint Presentation.

Click the arrow next to "Slide Size" to open a drop down menu.

Click the Widescreen (16 ratio 9) button for a classic PowerPoint landscape presentation.

You can also select "Standard" or "Page Setup" to choose a specific size.

Click "Scale" to scale your content to fit your new dimensions.

This guide provides a simple step-by-step process for changing the orientation of a PowerPoint presentation to landscape. By following these steps, users can easily switch from the default portrait layout to a widescreen layout, making their presentations more visually appealing and suitable for larger screens.

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