How to unlock Badges..?

Answer 1

Each one requires a certain action. Some badges require you to post codes to SoloLearn that other people like, and some require you to win Challenges. Just don't worry about it and do everything you can, eventually you will begin to unlock badges. If that isn't satisfying, then you can search up how to unlock each badge and work towards them.

Answer 2

it's already written there, read what you have to do to unlock badges.