To change the order of slides in your presentation, use one of the following methods:
–On the navigation pane, click and drag the slide to the desired position.
–Select a slide on the navigation pane, then use the Move to beginning/up/down/end commands in the slide context menu or on the Home tab, in the Slides group.
–Use the keyboard shortcuts Ctrl (Cmd)+↑,↓ or Ctrl (Cmd)+Shift+↑,↓.