I used open core and i dont have the internet up and i dont know how to

1. Hi im using OpenCore. and i cant use the internet on my hackintosh i use ethernet (i use my computer wired) What Speccy says for my ethernet: Realtek PCIe GbE Family Controller.
   i put the kext in (atleast i thought) and how do i make sure its in the config.plist.

i had to use a usb to get this screenshot able to upload