Book your appointment early – It is important to get your interview appointment as soon as you have decided on your university and when you get your I-20. The I-20 is a key document required for the issuance of the F1 Visa. Also do remember that you take your appointment for the F1 Visa interview well in advance so that you can leave for your destination early. You will thus have enough time on your hands to settle in (because there is a lot to be done once you have landed in the USA......