1, open the PPT of the video you want to do first.

2. Find the file in the menu bar and click it.

3. Select Export in the file options.

4. Select Create Video in Export.

5. Choose the option that suits you and set the playing time of each slide.

6. Select Create Video, and a save box will pop up.

7. Check the progress, and you will get an MP4 video after the completion.