Make an appoitnment for each one of you through the website posted above. The required document list will be available on that site, besides you can asee it once you are done with the sppointment online. The key ones are:
1) A copy of your petition package including I129.
2) Original I797 (You and your spouse if available).
3) Proof of employment.
1) A copy of your petition package including I129.
2) Original I797 (You and your spouse if available).
3) Proof of employment.