Microsoft Realtek Audio Driver Windows 11. Select your operating system and the version of your operating system from the respective drop-down menus. Finally, click on 'OK' at the bottom to save the changes.
Expand the Sound, video and game controllers.
Open Device Manager: Right-click the Start button and select Device Manager.
Type services.msc in the Run app, and press the Enter hotkey. Click Yes in the UAC (User Account Control) prompt that pops up. Locate the Sound, video and game controllers option and expand it.