How do you start a maplestory?

i really want to play maplestory. i always hear my classmates talking about it and it sounds so fun! so please tell me how to start a maplestory. i really want to try it! please please please tell me pretty please with a seashell on top? i really want to try out maplestory so please tell me!I mean i dont even know where to find that game i dont even know the website so can you please help me with that too?please?