Atomix Productions, the developer of VirtualDJ, offers several licensing tiers tailored to different user needs:
In VirtualDJ 8 and later versions, physical license keys or serial numbers no longer exist . Activation is handled entirely through your VirtualDJ.com account credentials. How to Activate VirtualDJ 8 Pro Infinity virtual dj 8 pro infinity license key top
When you purchase a Pro Infinity license, it is tied permanently to your personal email address and Virtual DJ user account. the developer of VirtualDJ
A one-time purchase providing lifetime professional use, free software updates, and compatibility with a massive library of hardware controllers. free software updates