I understand you are trying to install the LAN drivers for the NUC7i3BNK. Let me help you on this matter.
Let's access the BIOS of the Intel® NUC by hitting F2 when booting up. Go to Advanced>Devices> Onboard Devices
Please make sure LAN is enabled. If you do not have a mark on it, please select it.
Try installing the latest LAN drivers
Hope this information is helpful.
Please do let me know if you need further assistance with your Intel product, I will be glad to assist you.
Thank you for getting back to us.
I was able to install the latest LAN drivers version 22.1 using same model with fresh operating system installation.
I would like to have additional information about your system configuration. Please run the following utility and attach the results.
Intel® System Support Utility
In order to attach files, make sure you select the "Advanced Editor" option in the top right of your reply window. You will then be presented with an attach file dialogue at the bottom of the reply.