If your visa is approved, the visa package and passport will be returned via courier to the DHL location that you designated according to the instructions that were mailed to you and given after the interview. There is no additional cost for this service. To know if your visa package and passport are ready to be picked up from DHL, log into your account. If you have any additional questions regarding the status of your application and tracking of your visa package and passport, contact the U.S. Visa Service.
Carefully review After the Interview, also on usvisas.state.gov, to learn what to do when you receive your visa, entering the United States, paying the USCIS Immigrant Fee, and other important information.