How do I mount my rear bumper on my 98 jeep grand cherokee

I have a 98 jeep grand cherokee,when I bought the jeep, the rear bumper was not there .I have the trim not the metal bumper itself.I purchased a new metal stock metal bumper and the plastic goes over that,but how do I mount th bumper to the jeep

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@zjmetz post a couple of picture of your bumper with your question. That way we can see what you see. Also if you have a part number for that bumper, let us know what that number is. Adding images to an existing question

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