SETUP
Step 1. Connections
Connect the Mixdeck Express with your computer using the provided 
USB cable.  
Connect your 
speakers to the
 rear Master Output using proper RCA cables and your Headphones to the front socket.
Step 2. Drivers
No drivers are required to be installed. The Numark Mixdeck Express is a USB Class Compliant device and your Operating system will automatically install the necessary drivers when the unit is connected to your  computer.
Step 3. VirtualDJ
Install VirtualDJ 8 from 
http://www.virtualdj.com/download/index.html (in case you have not done already)
Start VirtualDJ and 
login with your Account credentials. 
A Pro Infinity, Pro Subscription or Plus Mixdeck Express Controller License is required. 
http://www.virtualdj.com/buy/index.htmlDetection Window
A detection window will appear when the unit is first connected with VirtualDJ. 
Click on the "Use Soundcard" button so that VirtualDJ will apply the pre-defined audio configuration (speakers need to be connected to the Master Output of the unit)
Click to OK
 
 Make sure that both left and right 
channels on the mixer section of the MixDeck Express are set to 
PC and you have toggled each CD player to 
MIDI mode via the 
SOURCE button.
The Mixdeck Express is now 
ready to operate with VirtualDJ