Step1
For certain visitors to the US, the government has entirely gotten rid of the need to attain any sort of visa before traveling here, as long as certain criteria are met.
Step2
This program only applies to people from certain countries: Andorra, Australia, Austria, Belgium, Brunei, Denmark, Finland, France, Germany, Iceland, Italy, Japan, Liechtenstein, Luxembourg, Monaco, the Netherlands, New Zealand, Norway, Portugal, San Marino, Singapore, Slovenia, Spain, Sweden, Switzerland, United Kingdom.
Step5
The program does not allow you to adjust your status while traveling on it, so if you suddenly decide you want to work or study when you're in the U.S., you're going to have to return home and go through the process of applying for your specifically desired visa.