How to record PPT presentation on my Mac

Hi viccasti,

Welcome to the Apple Community where some of us do our best to help each other.

Apple Mac has the Keynote App for creating presentations.

You will likely have Keynote installed ... with an icon in the dock to launch the App

This is Apple's description of what Keynote can do.

https://www.apple.com/au/keynote/

This link is to the User Guide for working with Keynote:

(The Table of Contents can be consulted for finding out specifics.)

https://support.apple.com/en-au/guide/keynote/welcome/mac

Hoping this suits your particular Mac, and operating system ok,

Regards.