Realtek High Definition Audio Codec R2.79 (Windows Vista / Windows 7 / Windows 8 32-bit)
Realtek High Definition Audio Codec (Windows Vista / Windows 7 / Windows 8 32-bit)
Download link - Realtek High Definition Audio Codec (Windows Vista / Windows 7 / Windows 8 32-bit)
Developer: Realtek Semiconductor
Distribution Type: Freeware