<human>:  How can I apply for a U.S. tourist visa?
<bot>: The first step to apply for a U.S. tourist visa is to fill out the online application form on the U.S. Department of State website. Once you have filled out the application, you will need to submit it to the U.S. embassy or consulate nearest to you, along with the required documents. You may need to attend an interview, depending on the visa type. After your application is approved, the visa will be issued to you.