You may start the process immediately after marriage. Is your boyfriend a U.S. citizen? If yes, you will not need to take any additional steps because you overstayed. Your prior overstay will be effectively forgiven. If, however, your spouse is not a citizen, additional steps will be needed. You can read more about family immigration at http://myattorneyusa.com/adjustment-of-immigration-status.
Answered on Aug 03rd, 2016 at 2:01 PM