>>334483540
There are people in the parlor who are willing to teach new people.
But if you wanna have a head start, you can always check out mahjong soul on your phone or in browser (no download required). It has a quick and easy tutorial for you to understand the basics of the game. And after that you can always practice with bots to get the gist of it.
But don't be a stranger. join the parlor and learn as you play. Learning more about mahjong is part of the fun.