Name: Realtek High Definition Audio drivers New version of High Definition Audio drivers for sound card from the company Realtek, drivers are designed for operating systems Windows 200X, Windows XP, Vista, Windows 7, Windows 8, Windows 8.1 - 32/64 bit. Realtek High Definition Audio drivers R2.72 (6.). Download Realtek HD Audio 2.72 Driver for Windows XP, Vista Windows 7 and 8