Why can't I access all sololearn languages

Question

I can create code in multiple languages I can't find on the courses section such as: R, go, swift, kotlin, Ruby ect

Answer 1

Levi Saunders ,

They are old courses so not available now...
Here the full details about the courses....

https://www.sololearn.com/Discuss/3205664/?ref=app

Answer 2

The old courses are not available now. And if you get premium membership then you'll be able to access More courses.