Go to the Virtual DJ website. The Home edition is free forever. You lose recording, video, and some effects, but you can mix unlimited time with a mouse/keyboard or any MIDI controller. Perfect for learning.
There have been several patched versions of Virtual DJ 8 circulating online, which claim to offer various benefits, such as: virtual dj 8 patched
Many users believe the patched version offers the exact same experience as the paid Pro version. This is false. Pirates cannot replicate the functionality of an online, cloud-connected license. Go to the Virtual DJ website
If you cannot afford the Pro Infinity license, you have legitimate, safe, and often superior options: and some effects