To make any slide the first slide of the presentation, follow these steps:
1.Select a slide on the Slide bar.
2.Move the slide in one of the following ways:
•On the Slide tab, click
Move slide and run the Move to beginning command.
•Right-click to open the slide context menu and click Move to beginning.
•When working in macOS, run the Slide > Move to beginning command from the command menu.
•Press Ctrl+Shift+↑ (Windows, Linux) or ⇧Shift+⌘Cmd+↑ (macOS).