If you truly cannot afford VirtualDJ PRO, use one of these instead. They are 100% legal and often more powerful than VDJ 7 (which lacks modern features like stem separation).
One of the standout features of Virtual DJ 7.0 Pro is its support for custom skins, allowing users to personalize the look and feel of their interface. The Atomix Virtual DJ 7.0 PRO Skins Plugins Sound Effect ACE.rar package includes a wide range of skins, each designed to give your Virtual DJ setup a unique and stylish appearance. Atomix Virtual DJ 7 0 PRO Skins Plugins Sound Effect ACE.rar