3) Expand the section in the tree Sound, video and game controllers.
4)Highlight the item USB Audio Device. This islikely to be the Arcam DAC, but could be another audio device if there are multiple USB Audio Devices in your system.
5)
6)Disconnect the Arcam DAC from the PC, and reconnect.
7)There will be various notifications in yellow bubbles near the system clock, ending with a message saying the your new hardware is ready to use.