Guide How do I create powerpoint presentation using AI

Let us know if you find a free one. I recently tried one that was free to use, but at the end, each slide had that website's watermark when I tried to export. Most of these services will either ask you to pay right away or will wait until you've spent an hour making a good presentation, then lock you out until you pay.
 
Has the Microsoft Designer evolved with the introduction of CoPilot? Saw it in one of the trailers not sure if that's being used right now.
Last I heard copilot was pretty bad at creating presentations. The most common use case seems to be converting PDFs to editable ppts.