Follow the instructions and when prompted allow the USB driver to install by clicking "install".
You will use the Dashboard to access your device through the "My devices" tab once you connect it to your network. We will cover the details of connecting to your device through Windows Device Portal, SSH, and PowerShell in the next step ( Set up your device ).
The mounted virtual drive contains an installer file "Windows_10_IoT_Core_for_QCDB410C.msi". Double click the file to start the installation.
The installer creates a new directory: C:\Program Files (x86)\Microsoft IoT\FFU\QCDB410C\ which contains the DragonBoard410c image file "flash.ffu".
Unlike Raspberry Pi 2 or 3 and Minnowboard Max, we will not be applying this FFU to an SD card. Instead, we will use this flash file on the next page.