I hope to be useful with my opinion.First you need to have a New York license, New York insurance, registration and you do not necessarily need an appointment since I went and in a while I made all the movement clearly and logically you have all the requirements only when Enter they ask you if you have an appointment, be honest and how they are going to attend you, they are very attentive.
You can start the process online. Check the DMV page there 8indicate the steps to follow
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