It will install audio driver automatically after computer restarted. Once after the original driver removed, reboot the computer. Click 'Next' to remove the original audio driver in your system. Run setup.exe, it will remove the original driver in your system. Follow Step 2,3,4 described in above to complete the procedure. Finally, select to restart the system and press to complete the installation. If the Windows popup 'Windows can't verify the publisher of this driver software' message, press 'Install this driver software anyway' to continue the installation. If the screen resolution is lower than 1024*768,press to continue the installation. Run the setup.exe program to start the installation. If the Windows popup 'Digital Signature Not Found' message, press to continue the installation. Before installing the Realtek High Definition Audio Driver, Press the button if Windows detect the Multimedia Audio device.