To download audio drivers for your DNS device, you should primarily use the official DNS Driver Portal or identify the specific motherboard/laptop model to find matching Realtek drivers.

Updating audio drivers helps maintain sound quality and prevents issues such as missing audio, low volume, or microphone problems. support.microsoft.com

Locate your device by searching for the model name found on the sticker (usually on the bottom of a laptop or back of a PC case).

How to find an audio driver for an all-in-one device? - Facebook