Rikoooo.com

Is Rikoooo -> Grand Canyon KGCN V2 Freeware? After Download some hours, I get the info, This APP can not executed on this PC. All other Downloads where OK bevore. I think, something did change since last Rikoooo Web-update.
Please Help
Regards Peter

Now I did download again. And nowGrand canyon is running. I do not know why.