Free Game Development Courses | 100% FREE Courses on ArtStation
On ArtStation they have tons of free courses by industry professionals.
Check them out here:
https://www.artstation.com/learning
My favorite Unreal courses are the ones by Dekogon Studios:
https://www.artstation.com/learning/i...
Blender Courses:
https://www.artstation.com/learning/b...
Also interesting are the courses in traditional art:
https://www.artstation.com/learning/t...