Connect DMX adapter to PC.
If Windows ask for drivers download and install from here:
http://www.ftdichip.com/Drivers/D2XX.htm
If drivers are installed correctly you must see "USB Serial Converter" in Device Manager
Download and install DMX Control from
Run DMX Control and in Settings>Output plugins... choose "Enttec DMX USB"
Close it and you are ready.
You can find this in our eBay shop.