You can add page numbers to your PowerPoint slideshow through the "Slide Master" page, which lets you edit your entire slideshow at once. Once you add page numbers to your PowerPoint slideshow ...

Open PowerPoint presentation. Go to “Insert > Date & Time” or “Insert > Header & Footer.” Select the Date and time checkbox.; Click Apply to All if you want to show the date and time on ...

How to add slide numbers in PowerPoint. Adding slide numbers to a presentation is simple. Similar to Word, you’ll add a field that displays the current slide number.

Launch PowerPoint 2007. Click the Windows button to open the handout presentation with the page numbers to change. Click the "View" tab. Click the "Slide Master" button on the ribbon.