It depends what province you were born in. In general, you download the application from your province of birth and fill it out. Make sure you request the certificate of live birth (usually labelled as long-form birth certificate). Mail it out and you should get it in a few months. Also, your certificate of live birth is the form that your parents would have filled out to register your birth. It contains details about your birth and parents. It is technically a type of birth certificate.For details on the application process of each province visit: Birth Certificate