To change a tire, follow these steps:
Find a safe spot — Park your car in a safe area (if you can).
Gather tools and a spare — Prepare your jack, lug wrench, and wheel chocks.
Lift the car — Use your jack to lift the car.
Replace the tire — Use the lug wrench to remove the flat tire and put on the spare. Tighten the lug nuts in a star pattern, and check the lugs after a few minutes of driving.
That's how you change a whole wheel; if you want to change just a tire, you have to visit a professional, as the equipment required for the job is not portable. Read more