You must get an MOT for your vehicle every year once it’s 3 years old.
You must have motor insurance for your vehicle if you use it on roads and in public places.
You need to tax the vehicle before you can use it on the road.
Find out if your vehicle meets the emissions standards required for the Ultra Low Emission Zone (ULEZ) and/or the Low Emission Zone (LEZ):
You must update your provisional or full driving licence when you move.
You must update your vehicle log book (V5C) if you change your address or name. It’s normally free to update it.
If you have a private registration number and it’s not on a vehicle, you must update your V750 or V778 documents.
https://www.gov.uk/personalised-vehicle-registration-numbers/change-your-name-and-address
Find out what you need to do to use a private number plate on your vehicle.