This video is about how to use raspberry pie 3 right from the install of operating system to running the raspberry pie.
Raspbian link:- https://www.raspberrypi.org/downloads/raspbian/
Noobs Link:- https://www.raspberrypi.org/downloads/noobs/
Etcher Link:- https://etcher.io/
Please note:-
Recommended power for raspberry pie 3 is 5V and 2.5A