1. Dobule click "d:\drivers\LAN\setup.exe"
2. If it pops-up "User Account Control" window, press "Yes" button to continue.
3. It will pop-up the "Atheros AR81Family Driver Installer" window.
   Then press "Next" button.
4. Press "Install" button, it will start to install the Atheros LAN driver.
   Wait for the installation to be completed. It may take several minutes.
5. When the installation is completed, press"Finish" button to finish.