Substance Painter Tutorials
Substance Painter for Beginners Tutorial
https://www.youtube.com/watch?v=s2MOx1Iteik
This is about an hour long video going over the basics for Substance Painter. The video starts with an overview of the UI and general layout of the application and slowly dives into more intricate features. For most people, this is a great intro.
EVERYTHING you need to know about SUBSTANCE PAINTER!
https://www.youtube.com/watch?v=uBgdLmvK_U8
About 30 minutes long, this video along with its YouTube channel, is the BEST on the internet. However, it is fast-paced and I recommend a familiarity with Adobe Photoshop (or layer/mask based image editor) or have seen the hour-long video listed above.
You can also download the 3D model he uses within the video, just follow along with the instructions while watching.