How to buy a car:
See the below information provided by the Washington State Department of Licensing.
Should you decide to buy a car, it is required by law to have automobile insurance and a driver's license. Unfortunately, it is not always easy for international students to qualify for automobile insurance.
Be aware that if you drive a car without the required insurance, you could receive a large fine. Please consider the steps involved in getting your driver's license, as well as the cost of insurance when buying a car.
Tips for buying a car
How to transfer ownership into your name
Getting a driver license: Mandatory insurance