Find the downloaded file (e.g., PROWinx64.exe for 64-bit systems).
If you are unsure of your specific model, the Intel® Ethernet Adapter Complete Driver Pack contains all files for supported OS versions in one large download. download intel ethernet driver for windows 7
If your computer is from a specific brand like Dell or Lenovo , it is often better to download the version they host, as it may be customized for your specific motherboard. How to Install the Driver (Step-by-Step) Find the downloaded file (e