When purchasing XXR Wheels online, there are a few steps that you should take. First, you need to ensure that the tires and wheels fit your vehicle properly. Set up the wheel so that the sidewalk brand print is facing outwards and the arrows are pointing in the right direction. You should also test the fit of the tire on a flat surface before purchasing. After setting up the wheel and tires, you should try them out to make sure they fit the car properly.