Following along with the Tutorial Developing an MVC Component https://docs.joomla.org/J3.x:Developing_an_MVC_Component

Joomla-HelloWorld

This is a link to the video playlist Robbie Jackson has made as part of this tutorial.
https://www.youtube.com/watch?v=4JDsdfnlOhE&list=PLzio09PZm6Tshl1pasGyFwWrm-JPWmjm2