1. Open the ppt slide and create four new blank slides.
2. Find the slide master in the view, and then click the slide master.
3. Start inserting pictures, find the logo and put it where you want.
4. Then copy the logo and paste the same logo on the second page.
5. After adjustment, slide the main-off.
6. All four slides are marked with logo, and the positions are the same. This solves the problem of how to add your company's LOGO to PPT and display it on every page.