how to record a track with both audio and video

Yo guys, I just got an rc505 mk1 a few weeks ago and wanted to do a beatbox cover of a track I found, I was wondering how to record and what do I need to record the audio and video, I've seen a few people use something called powerdirector and has a laptop wired to their setup.Pleaser reccomend any methods and products I need to start setting upandf recording thanks.