You need to submit an application for a new B-1 or B-2 visa if your previous visitor visa has expired. In many cases, applicants believe they can easily renew or extend a U.S. visitor visa because they previously held visa. However, this is not the case. For detailed instructions on how to apply for a new U.S visa, download this guide.
The United States Visitor Visa Application Guide contains all the information you need to be able to apply for a visa for the United States.
Individuals who travel with B-1 Business Visas and B-2 Tourist Visas are normally eligible to stay in the United States of America for up to six months. After the first six months they have the possibility of an extension for up to an additional period of six months. Learn how to apply by downloading the “B-1 and B-2 Visa Extension Guide”.