Check the VirtualDJ.com download page. If you have a Pro license associated with your account, you can often access legacy versions in the "Download History" or "Older Versions" section.
Version 7 allows you to choose between the 2-deck, 4-deck, or "Internal Mixer" views. how to download and install virtual dj pro 7 top
If you get a .dll error on Windows, you may need to update your DirectX or install the Microsoft Visual C++ Redistributable package. Check the VirtualDJ