Applicants must fill out the DS-160 form, an online non-immigrant visa application that gathers travel history, personal information, and other pertinent detailsfast withdrawal slots, after determining the visa category. Being the cornerstone of the entire application process, this form is essential. Depending on the kind of visa being applied for, applicants must pay the application fee after submitting the DS-160. arranging a visa interview appointment at the closest U.S. location after payment.