The process of downloading the Qualcomm Killer Wireless-AC 1525 Adapter Bluetooth Driver 4.0.0.400 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 Qualcomm Killer Wireless-AC 1525 Adapter Bluetooth Driver 4.0.0.400 for Windows 7 driver from the primary server - this is the manufacturer’s Atheros 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 Qualcomm Killer Wireless-AC 1525 Adapter Bluetooth Driver 4.0.0.400 for Windows 7 diver.