The process of downloading the ASRock B75 Pro3-M ASMedia SATA3 Driver 1.3.4.000 Beta for WIndows 8 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the ASRock B75 Pro3-M ASMedia SATA3 Driver 1.3.4.000 Beta for WIndows 8 driver from the primary server - this is the manufacturer’s ASMedia 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 ASRock B75 Pro3-M ASMedia SATA3 Driver 1.3.4.000 Beta for WIndows 8 diver.