If you still need help finding a modern skin with a similar “Mix Lab” layout, tell me what visual style or features you’re looking for (e.g., vertical waveform, large pads, turntable + mixer view), and I can suggest safe alternatives.
If you're interested in trying out the MixLab skin for Virtual DJ 8, you can download it for free from various online sources. However, be sure to only download from reputable websites to avoid any potential security risks.