This How to gives some hints

• PC with Windows
• rad1o badge

• install SDRSharp from http://sdrsharp.com/ (it ships with Zadig). Executing install.bat does the work for you.
• Optional: download http://zadig.akeo.ie/
• boot Windows and connect the rad1o
• power on the rad1o pressing the stick (white thing in the middle) to the left (rad1o should be oriented such that the display is in the upper left corner)
• select HKRF-OLD and press the stick
• start Zadig (in the SDRSharp folder), select HackRF in the upper pulldown and WinUSB directly above the “Install Driver” Button
• Press “Install Driver” and wait for an eternity
• execute SDRSharp.exe and select HackRF as Source

• a moving baseline with some spikes in pretty colors