@RBooks370 , first Sir, let me Thank You for your Service 
, second, Welcome to the Insider. you didn’t mention which video you were following but here is a link Walmart Onn 4K Pro Review & Tutorials . not a video but a good read. and there’s this First Impressions video 🥇 Walmart Onn 4K Pro Streaming Device First Impressions Video Now Available not a total set up video but again some good info
@TROYPOINT also has a channel on Rumble with several How-To and other info videos…