Your friend will need to apply for a visitor visa. He can start the process by completing Form DS-160 online. Afterwards he will schedule an interview at the consulate. Your friend will need to present evidence to establish he can finance his trip and will depart the United Stares in compliance with his authorized stay. This is usually done by showing ties outside the country. Your friend can read more at http://myattorneyusa.com/travel-visas.
Answered on Apr 25th, 2016 at 5:21 AM