FamilySearch Online Research Courses has created a library of several thousand video self-instruction courses available to the interested genealogist at no cost.  These consist of over 30 "core" classes,  over 1000 courses dealing with specific locales, and close to 3000 courses in advanced and specialized areas. Here are links to three of them:
FamilySearch Research Courses - Access 160+ online courses on how to do family history research.
FamilySearch Product Tutorials - Access dozens of product tutorials and help articles
FamilySearch YouTube - Access dozens of engaging videos on how to get started with family history