To add notes to your PowerPoint, you'll need to have your presentation set to "Normal" view before accessing the "Notes" button for individual slides.

This feature doesn't just work for links between notes — you can add URLs of any sort, just like you can with the Edit -> Add Link command in Mac apps. How to Create Links Faster.

With just a few taps, you can create links between notes, making it easy to jump from one idea to another. Long press on a space in any note, and a new "Add Link" option can be found in the pop-up ...