Locate your jack. And put it under a safe spot on the vehicle.
Locate your 4-Way lug wrench and the correct size
Locate 2 of your jack stands.
With your lug wrench loosen your lugs.
Raise your 4 wheeler up slowly.
Raise it up until the tire is off the ground.
Put Jack stands under your a-arms safely.
Continue taking the lugs off until they are all off.
Put them in a safe location so you don't lose them.
Take tire off.
Put new tire on.
Hand tighten all of your lugs.
Take Jack stands out from underneath the a-arms.
Lower your Jack until it is free and remove it.
Using your lug wrench you will finish tightening the lugs until they make 2 squeaking noises each. Then you are all done.