This page tells you about how to file for a divorce, legal separation or nullity. Divorce can be complicated.Your agreement needs to say that you both agree to end the marriage and what you agreed about property or spousal support. The basic steps for an uncontested case are as follows: 1. Write Up Your Agreement 2. This video will go over general information about the divorce process and how to fill out your forms and then the steps you will go through. View all the available forms from the Prothonotary's Office. Use this packet to obtain a divorce or legal separation in a Family Law or. Domestic Partnership case. Welcome to Washington State Courts.