1. Purpose of Visit: You must have a legitimate reason for your visit, such as tourism, business, education, or medical treatment.
2. Valid Passport: You must have a valid passport that is machine-readable and has at least six months of validity beyond your intended period of stay in the United States.
3. Application Form: You must complete and submit Form DS-160, which is the online nonimmigrant visa application form.
4. Photo: You must provide a recent photograph that meets the U.S. visa requirements.
5. Interview: You must attend a visa interview at the U.S. Embassy or Consulate in your home country. During the interview, you will be asked questions about your travel plans, purpose of travel, and other relevant information.
6. Supporting Documents: You must provide supporting documents, such as proof of financial support, evidence of ties to your home country, and a letter from your employer if you are employed.
7. Fee: You must pay the visa application fee, which varies depending on the type of visa you are applying for.

Additionally, to obtain a multiple-entry visa, you must demonstrate that you have a legitimate reason for multiple trips to the United States and that you have strong ties to your home country that will compel you to return home after each trip. Evidence of such ties could include a job, a house, family, and social or economic commitments.