When using power point, how do I not show everything on my computer screen except when I click on slide show.?

Question

Have seen churches and other places where it only shows there background on their computer on the over head projector except when they are using a program like windows power point.

Answer 1

they chance the monitor input on a laptop right click the home screen and click personalization and then display setting. that will allow you to send different video/powerpoints to the screen