How to start learning?

Answer 1

https://www.sololearn.com/Course/CPlusPlus/?ref=app
https://www.sololearn.com/Course/JUMP_LINK__&&__Python__&&__JUMP_LINK-for-Beginners/?ref=app
https://www.sololearn.com/Course/Java/?ref=app

Answer 2

Just go through a language whom you are familiar with and proceed further...
If you are completely new then i will suggest you to go with C or C++ these are not so tough and will provide a good base in your programming carrier then proceed with java and so on..
Keep learning!! Good luck