To download the Windows drivers for your Numark NVII, follow the instructions provided by Numark Support . Visit the Product Page : Go to the official Numark NVII Go to product viewer dialog for this item. product page.
At this point, Windows should recognize the NVII using the newly installed drivers. When you launch Serato DJ Pro, the software should automatically detect the controller, and you will be ready to start mixing.
Once your computer reboots, configure the audio driver within your DJ software. Launch (or VirtualDJ / Traktor). Open the software Settings or Setup menu. Navigate to the Audio tab.
Do not plug the Numark NVii into your computer yet. Keeping it unplugged prevents Windows from assigning a generic, incorrect driver.
If you are having connection issues, the problem is usually the USB cable, the port, or the software settings, not a missing driver.