Hi Sherry,
I don't know much about streaming by yourself, but I do know that there are some basic ingredients required for streaming;
- You need a computer that is capable of streaming (it needs to be able to render the stream while at the same time playing the game or whatever you want to stream)
- You need streaming software, such as OBS (free)
- You need to have a stream channel at a host such as Twitch or YouTube.
Once you have the software and a channel, you can start streaming. You can get a stream key from Twitch (I don't know how YouTube works, but I can imagine you will need a stream key as well). You can then save the stream key in the software so that the software, such as OBS, can broadcast the livestream to the correct channel on Twitch/YouTube.
Google "starting your first livestream" and you will get a list of helpful websites with more information about how to start streaming.
Enjoy and have fun! [happy]