VGA is one of the most common input types for digital projectors. If your projector and your laptop are both equipped with VGA ports, you can connect them with a VGA cable.

The laptop screen should then display on the projector, and you'll be ready to go! How to connect a laptop to a projector using Bluetooth on Windows 10?

Some people have an extra $1,000 just lying around to buy a digital projector. Unfortunately, most of the people that I know, myself included, do not.