Send the bottom of your MV-3 or OP-3 renewal notice to the address on the notice. Include a personal check or money order made payable to the 'Commissioner of Motor Vehicles' for the fee.
What if I don't have my MV-3 or OP-3?
If you don't have your MV-3 or OP-3, use the Duplicate Registration / Renewal Application PDF MV-82D
and what do i need to register online?