Before downloading, you must know your chip model (e.g., CMI8738, CMI8768, or a USB audio series).
For Windows 10 and 11, searching the Microsoft Update Catalog for "C-Media" can provide verified WHQL drivers. 3. Installation Guide sound card - Cmedia
Downloading the correct involves identifying your specific hardware model and operating system, as these drivers are rarely "one-size-fits-all". C-Media chips are common in PCI/PCIe sound cards and USB audio adapters. 1. Identify Your C-Media Hardware