Remove "ALL" bolts in the cover that is over the spark plugs this is the coil module. Gently lift this assem. off of the plugs.
It is easily broken! Now you can change the plugs, be sure to use the same plug # and type it came with(O.E.M.)
IF you don't think you can do this then get a car person to help you. Or take it to a mechanic. I do not know your skill level.