You can execute the Realtek audio manager download from the official website of Realtek. Let’s take a look at them below: Method 1: Manually Download Realtek HD Audio Manager from Official Site Using any of the methods explained below, you can easily perform Realtek HD audio manager download on your Windows 10, 11. Method 3: Use Bit Driver Updater to Automatically Install Realtek HD Audio Driver (Recommended) Methods to Download, Install and Update Realtek HD Audio Manager for Windows 11, 10 PC