I'm not able to upvote any code because it was showing that activate your email. But it's already done. What should I do now ?

Answer 1

https://www.sololearn.com/Discuss/471406/?ref=app

https://www.sololearn.com/faq/#q6

If all fails, e-mail [e-mail]. Apparently they can verify your account without you even touching the verification e-mail from your inbox, but they might just resend the link.