This link will be able to guide you from A-Z
https://www.cardschat.com/sitemap.php
If you ask my personal opinion, i suggest you don't ever try playing with 'Play money'. (@MattRyder, sorry bro, not to diminish your suggestion)
I tried playing those and it makes no sense at all.
Start playing with Freeroll which you can find in almost every site.
3 important things you need to keep in mind.
1) Self control. Learn to control your tilt and emotion
2)
bankroll management
3) Review hand history and learn from mistake.