The operating system maintains this collection (of device drivers) in a secure location on the local hard disk, typically on the C: drive. With Windows Vista onwards, in order to provide better stability, it is mandatory to use only the device driver packages from the driver-store located at C:WindowsSystem32DriverStore. Qualcomm Atheros Bluetooth 4.0 Hs Driver For Microsoft Windows 10. By default, Windows will search for driver packages from this location and well as online and perform the search in two phases: • Before a driver is installed: Driver Store (Mentioned Above) • After initial driver is selected: Online (Windows Update, requires the Internet) In the driver store, you will see different driver files (For a Single Device) within this folder and they are as follows: • driver files (.sys) • driver setup files (. Linksys Ae1000 Driver For Windows 10. inf) • pre-compiled INF files(.pnf) • XML manifest file A combination of all these together comprises a single driver package. These contain all the necessary files needed to install a device. The location is secured with NTFS permissions in order to protect these files. However, with Full control permission, a local system account can Read & Execute or manipulate the files stored in this location. When a new device is found, the local driver is used to initialize the device quickly and in parallel.