Don't be afraid to speak to us, surely will you get happy with us. When the form is submitted, you can't make any changes. There are various forms based on what it is you're applying for. Filing documentation, completing the correct forms, and paying the right fees will be deemed necessary. After processing, you are going to get a visa approval letter that should be printed (black-and-white is fine). Step 3 The next thing to do is to finish the DS-160 form.