Virtual DJ Home is free on any kind of PC or laptop, no matter what brand you have. As long as you can run the application, you are free to use it.
However, according to the program's web page, it's only free for home use, so if you want to utilize it professionally (if you make money using it), then you should purchase a license. Additionally, the Home edition doesn't offer as many features as the paid version does; you might want to check out the product comparison list to see exactly what you get and what you don't get in the free version.
