hello, welcome to the community, hope you enjoy ur stay here.
to start playing is very easy.
1.-create account for server
2.-download the client (full)
3.- create character/enter lobby and yull fine a lot fo help there.
you can find many topic here in forum about the game, also theres many guides and tutorial. good luck
here a little help. http://www.phantasystaronline.net/forum/index.php?/forum/10-help-support-guides/