The process of downloading the Lenovo B40-70 Atheros Bluetooth Driver 8.0.1.332/3.0.0.451 for Windows 8.1 64-bit driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Lenovo B40-70 Atheros Bluetooth Driver 8.0.1.332/3.0.0.451 for Windows 8.1 64-bit 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 Lenovo B40-70 Atheros Bluetooth Driver 8.0.1.332/3.0.0.451 for Windows 8.1 64-bit diver.