Live stream on YouTube advice

Lol......I have a 7 year old daughter that is with me 24/7, so I’m not getting the chance during the day. I didn’t get much chance last night as she wanted to watch Jane MacDonald cruising  So she was later to bed last night
I will only get to try and sort it when she is in bed! 
I will be streaming, I want to do 4 at a time rather than 1. I will read up to suss it out