Recording a presentation with PowerPoint is pretty simple and does not require any other software
Make sure the three boxes to the right are checked and choose the Record Slide Show Button
Your presentation is now automatically being recorded
The next slide is in the preview window on the right
Use your arrow keys to change slides forward or backward
There is a timer showing the length of your show
Click End Show in the upper left-hand corner of the screen
You will be asked if you want to save the new slide timings
If you are happy with your recording, click Yes. If you want to re-record it, choose No
To turn your presentation into a movie, go to File> Export
That's all there is to it! You've recorded a presentation
Here is an example of a recorded PowerPoint presentation
If you would like to see a YouTube presentation on this topic, check out the video below