You will not receive critical updates that improve performance on newer macOS versions.

Run the .pkg file and follow the on-screen instructions. Activation:

If you own a supported DJ controller (e.g., Hercules, Numark), it comes with a legitimate LE serial key, often printed on the underside of the unit.

Use the free version for home use. Note that it does not support most DJ controllers. Legitimate "Key" Alternatives

Purchase a Pro license ($299 or $19/month) from the VirtualDJ Shop to unlock all features, including hardware controller support.

This license offers a lifetime subscription to all pro features, available on their official site. Why Avoid "Cracked" Versions