How do you get all the skills in your profile?

Question

How do you get all skills

Answer 1

coder = 50 codes with 5 upvotes each
contributor = 50 answer with 5 upvotes each
challenger = 1000 win on challenges
learner = complete all course
influencer = followed by 1K users

Answer 2

Learn something. A course/skill is automatically added to your profile when you progress through the tutorials.