Answer 1

Complete the courses, play challenges and make codes. This will boost your XP.

Answer 2

A large amount of XP is usually earned by challenges, but you can also leave comments to the courses and get XP for comment-related badges. Besides, you get more XP for courses, if you complete them without using hints and without mistakes.

Btw, this question has already been asked many times, please use the search bar before posting😊
https://www.sololearn.com/discuss/1272953/?ref=app
https://www.sololearn.com/discuss/1192886/?ref=app
https://www.sololearn.com/discuss/286071/?ref=app
https://www.sololearn.com/discuss/116081/?ref=app
https://www.sololearn.com/discuss/236241/?ref=app

Answer 3

Complete all the courses that will give you a nice amount of XP as a learner