You won't know how to get a vehicle onto the road if you have never owned a vehicle before. Call the Department of Motor Vehicles at this time.
This way you would be able to get the information needed for the vehicle to be registered in the state you reside in. You can navigate here https://www.vehiclerenew.com/ for your online vehicle registration.
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First, they told you, that you would need to bring in the title of the car because you explained to them that you had just purchased a car from a private party and not a dealership.
Since this was your first vehicle they did ask that you pay half the premium upfront and worked the other half into three payments for you.
Once they provided your policy number you printed your receipt and had the proof to take to the Department of Motor Vehicles tomorrow when you go to register the car.
You had checked your license to make sure it was still good and it was but it was going to expire in two months so you figured while you were there you would also update your driver's license.
You reached the Department of Motor Vehicles as soon as they opened up in the morning and provided them the paperwork on the vehicle.