This post discusses wirelessly projecting and screen mirroring your Windows computer or laptop to an external display like a TV or a Projector using Miracast technology.

The best way to share a PowerPoint presentation with a large group is to project your slides on a screen using a digital projector connected to your computer's video output.

Desktop Computer Settings for Using a Projector. Connect your computer to a digital projector and share your business presentations by projecting your desktop to a large screen.