To update or register your Numark CUE software, you generally need the serial number found on your original software packaging or your hardware. Where to Find Your Serial Number

Are you trying to register a controller, or is this for a new setup you just purchased? LOST SERIAL NUMBER FOR NUMARK IDJ3 - VirtualDJ

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On many Numark controllers (like the iDJ3 or Mixtrack Pro), the hardware serial number starts with (21) and is found on a barcode sticker on the back or bottom.

: Numark provides a dedicated CUE + Virtual Vinyl Upgrade page where you can enter your serial number to access free updates to later versions like CUE 7.

: Usually on a barcode sticker on the bottom or rear of the controller.