The process of downloading the AOpen AK77 Pro(A) Realtek Audio Driver 3.20 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the AOpen AK77 Pro(A) Realtek Audio Driver 3.20 driver from the primary server - this is the manufacturer’s Realtek official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the AOpen AK77 Pro(A) Realtek Audio Driver 3.20 diver.