How to apply for a visa when traveling to Los Angeles for the first time?

1, original passport of the applicant (passport is valid for more than 6 months) 2, two color photos with white background within half a year (specification 5 1mmx5 1mm)3, completing the online form 160, and printing the signature 4. Copy of business license, organization code certificate and leave letter of the applicant's unit 5. Original salary statement issued by the applicant's bank for the last six months, fixed passbook, current passbook, property certificate, vehicle production certificate 6. Copy of the applicant's marriage certificate (please show the divorce copy if divorced, and the certificate issued by the Civil Affairs Bureau if lost) 7. Copy of the applicant's ID card and family account book 8. Photographs of famous buildings and families taken abroad 9. Detailed schedule of staying in the United States 10. If the applicant has been to America, please provide.