The process of downloading the ASUS B400V Wireless Switch Utility 3.0.38 for Windows 7 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 B400V Wireless Switch Utility 3.0.38 for Windows 7 driver from the primary server - this is the manufacturer’s Asus 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 B400V Wireless Switch Utility 3.0.38 for Windows 7 diver.