to the Slide Show ribbon and click on Start Subtitles
Select the language you'll be speaking, the language you would like to display subtitles in, the microphone source, and whether you would like to utilize the Custom speech recognition feature for specialized content (English and Chinese only).
The PowerPoint should go into Presentation mode with the subtitles showing in a window at the bottom of the screen.
The first slide of the PowerPoint will display the conversation and QR
code for audience members to follow along in the language of their choice using the Microsoft Translator app on their chosen device
You can turn on Q/A mode to allow the audience to ask questions
You can mute yourself if you want to stop displaying subtitles