AV Arcade Free is a far older version of AV Arcade. AV Arcade has been almost entirely re-written and the free version is not a representation of the paid version.
So you don't have any cash to spare for AV Arcade? Well that's okay because you can grab AV Arcade Free! AV Arcade free is an older version of AV Arcade lacking many of the refinements and features of the paid version. But it is still a great platform for you to start your arcade site on.
AV Arcade Free is not supported in any way. For support, continued updates and a far far better script please consider buying AV Aracde.