USA F1 visa is the visa applied by foreign students who want to study in the USA. The age for this visa is 13 and above or 80 and below. Applicants who are falling in the age bracket of 14-79 should attend an interview in the consulate. F visas are all known to be student or academic visas. You can apply for any university in the USA and get a Form I-20 from the university accepting your admission. Once you receive your form then you can apply for F1 visa.
The application for F1 visa is mostly found online for free. You need to pay other service charges like processing fee, Fraud prevention and detection fee and border security act fee. For F1 visa applicants there is no border security act fee. When you go to the consulate for interview you need to show the fee payment receipt as proof of your visa application fee.
F1 visa comes under non petition based visa application. You will be charged $140 for the application processing of the USA F1 visa.