To set up a slide template in PowerPoint, follow these steps: Open PowerPoint and create a new presentation or open an existing one. Go to the "View" tab on the ribbon. Click on "Slide Master" in the Master Views group. This opens the Slide Master view. In the Slide Master view, you'll see the master slide at the top, along with various layouts below it. Customize the master slide by changing background styles, fonts, colors, effects, and other formatting options. Any changes here will apply to all slides based on this master. To modify specific layouts, select the layout slides below the master slide and customize them as needed. Once you're satisfied with the design, click on "Close Master View" in the Slide Master tab. Your slide template is now set up and will apply to new slides you add. If you'd like to save this as a custom template for future use: Click on "File" > "Save As." Choose "PowerPoint Template (*.po...