Realtek HD Audio Drivers x64 Latest version 32 bit or 64 bit both available for windows. Realtek HD Audio is a tool that allows you to listen to HD audio on your 64-bit PC. Make sure your audio is perfect Drivers are usually lightweight software programs that communicate with your PC's operating system and other complementary software to make a piece of hardware work. Official Site Realtek HD Audio here . In this case, Realtek HD Audio Drivers x64 communicate with Windows Vista or 7 operating systems so you can listen to music from your speakers. They translate the data into audio signals that allow the speakers to play audio externally. Manage your devices Realtek HD Audio Drivers x64 can be managed centrally from your Windows Device Manager. To access your Windows Vista or 7 Device Manager, click the Start button that accesses the Start menu. Type "device manager" in the Start Search box and press Enter. That should start the Device Manager where you