I am also a newbie and it took me over one month to understand the blockchain technology I understand it to 95% now. But yes youtube is a good first step. watch videos if you are not a native English speaker watch videos in your own language because I know the first steps are really hard. I use Blockchain wallet on my phone and Exodus wallet on my computer.
Take time to read the postings on this forum and gather some information that is useful to you. Regarding on how you can earn bitcoin, first you need to become a jr. member to be able to apply for a signature campaign ad and you need to do your job by posting comments depending on the ranking as to how many post needed within the week. Then secure a bitcoin wallet where your earnings can be stored.