The process of downloading the ASUS SABERTOOTH Z87 Intel Smart Connect Technology Driver 4.2.40.2357 for Windows 8.1 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the ASUS SABERTOOTH Z87 Intel Smart Connect Technology Driver 4.2.40.2357 for Windows 8.1 driver from the primary server - this is the manufacturer’s Intel 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 ASUS SABERTOOTH Z87 Intel Smart Connect Technology Driver 4.2.40.2357 for Windows 8.1 diver.