I don't remember receiving my renewal for my car registration and it is overdue. How can I renew it?

Marie shaper you can check on dvm website: https://dmv.ny.gov/more-info/registration-transactions or attend to a dmv location.

How can I get a copy?

@Marie Schaper Your address on file with the DMV must be up to date. You can’t renew a registration that is Suspended Revoked Expired for more than 1 year Has not been inspected in the past 12 months