Open Passenger/Driver door, remove weather stripping from along the windshield.
On the side of the windshield there is a spot weld about 5.5″ down on both sides, the back of the mount will cover the spot weld.
Mark the holes for drilling. Drill a 25/64 hols for the nutserts.
Use the supplied tool to install the nutsert. View https://www.youtube.com/watch?v=wKPA2CxOo_0 for a how to on how to install a nutsert with the supplied grade 8 bolt, washer and nut.
Once nutserts are installed place the mount, with the supplied rubber backing over the bottom of the holes, over the nutserts and install bolts to secure mount.
Reinstall weather stripping over the mount.
Close the door and then continue on with installing your 50″ Light bar.