This article contains a few features new to PowerPoint within Office 365.
For more information, visit the Quick Start guide from Microsoft (https://support.microsoft.com/en-us/office/create-a-presentation-in-powerpoint-422250f8-5721-4cea-92cc-202fa7b89617)
To insert stock photos, photos from your device, photos from OneDrive, or photos from a Bing search, select Insert > Pictures and choose the source from the drop down.
Designer is a feature of PowerPoint that uses AI to design one's PowerPoint slides. To use Designer, select Design > Designer and choose from the options presented.
Note: You must be connected to the internet to use Designer.
Presenter Coach uses AI to analyze your presenting through tracking your speech patterns, use of filler words, and whether you read too much from the slides. To use Presenter Coach, go to Slide Show > Rehearse with Coach. You can also select Present > Rehearse with Coach.
To insert subtitles, slick Slide Show > Always Use Subtitles. Choose from the present options regarding language for the both spoken and subtitles. You can choose where the subtitles are placed, too.