Be sure to also review the Visa Waiver Program .If your country participates in the Visa Waiver Program, you do not need to apply for a visa if you are travelling for business or pleasure and will only be staying in the Unites States for 90 days or less.Step 2.tep 6. Following your visit to the Visa Application Centre to have your photo and fingerprints taken, you will then visit the U.S. Embassy or Consulate on the date and time of your visa interview. You will need to bring: 1  A printed copy of your appointment confirmation letter,