If you want legal options for VirtualDJ, here are lawful suggestions:
A streamlined version of VirtualDJ designed for users who need immediate access to professional mixing tools without manual activation. This package includes the full Pro Infinity feature set, allowing for unlimited controller support and high-definition video output. Safety Note: virtual dj pre activated top
Virtual DJ shines because it works with over 300 different controllers (Pioneer DJ, Numark, Denon, Hercules). However, the free version often locks your hardware into "LE mode" (Limited Edition). A "pre activated top" version promises full MIDI mapping and zero latency with professional gear. If you want legal options for VirtualDJ, here