How to get a divorce?

Hi, May I know how to get a dovorce? We seperated 7 years already. Our relationship is clear, but we have children. I think he paid enough for the kids according to the law. I seems have no point to hire a lawyer to do anything. I need the end the legal marriage, that is all. Pls let me know how to do. I live in B.C.. Thank you in advance.