Task: I would like to add first vedio from vedios section on the presentation third's  slide using the power point app
Steps:
click on the first option ( new slide) on the pop up window at bottom of the screen 
choose Videos button ( last option) on the pop up window at the bottom of the screen to add video in the slide 
click on first option ( Video) on the pop up window at the bottom of the screen 
click on the first option available at the screen 
click on the first option available at the screen 
click on the first option available at the screen