You can join Drama classes. Drama classes can introduce you to performing, different methods and schools of thought in acting, writing material, and other different approaches to characters, along with stage and costume design. Besides continue with auditions and working as much as possible in the acting world. Act as much as possible, in as many roles as possible. Build up a resume filled with a variety of performances, including theater productions, commercials, working as an extra, music videos and anything else that gets attention. This is a way you can get inctroduced publically and professionally. Good Luck.