APPLY FOR ESTA TO THE USA HERE
The Department of Homeland Security (Department of Internal Security of the United States) has granted citizens of selected countries the opportunity to apply for travel authorization under the Visa Waiver Program. This type of visa is called ESTA.
With an approved ESTA, you can stay in the United States without applying for a B-2 visa for up to 90 days for business or tourist travel. For details go to: https://esta-application-usa.uk