 Take an ordinary putty knife and scrape off the old wax ring. Place the new wax ring over the flange, then line up the bolts with the bowl and gently set in place, making sure a proper seal is created with the flange and drain. Next... Um, Dad? Uh, yeah, sweetie? Is that an old plumbing manual? Oh, um, yeah. Yeah, honey. We really need to get some new books.