Take your car or old tire to a tire store. The employees there will be able to determine your tire size needs and recommend a good choice for your vehicle.
anyway, you can try. I tried recently on the sidewall of an old tire, but have not used it for driving.
Lift the car off of the ground on a car jack, remove the wheel hub, remove the bolts, and remove the old tire. Place the new tire on, put the bolts back on and tighten them down, replace the wheel hub, and lower the car to the ground.
The typical fee for disposing of an old tire when you purchase a new tire at a tire shop is $1-$3 per tire. The fee is regulated or determined by the state, county or city in some places and it appears the national average is just over $1 per tire. It also appears that the larger the tire the higher the disposal fee.
To change a flat tire you need a jack, tire iron and a new tire. Jack the car up and remove the bolts, you can then slide the old tire off and replace it with the new one.
Lift the vehicle with a car jack, remove the hub, remove the nuts, and remove the old tire. Next put on the new tire, replace the nuts, tighten down the nuts, replace the hub, and lower the car.
You should do what you would want done if it was your car. I would buy a nicer tire than your friend had.
Lift the car on a car jack, remove the tire, remove the brake shoe/calipers, and remove the old brake pads. Next, dispose of the old brake pads, put in the new brake pads, replace the brake shoe/calipers, replace the tire and lower the car to the ground.
Lift the car, remove the tire and set aside, remove the brake shoe/calipers and remove the old pads. Replace the old pads with the new pads, replace the brake shoe/calipers, replace the tire and lower the car.
Lift the car, remove the tire and set aside, remove the brake shoe/caliper and remove the old pad. Dispose of the old bad, add in the new pads, replace the brake shoe/caliper, replace the tire and lower the car.
To replace the brakes, lift the car on a jack, remove the tire, brake shoe and old brake pad. Next put in the new brake pads, put the brake shoe and tire back on the car, and lower the car.
Changing brakes is pretty simple. A person has to lift the car with a car jack, remove the tire, brake shoe, and old brake pad. Then put in the new brake pad, replace the brake shoe, put the tire back on the car, and lower the car.