That is the download for Windows 10 (IoT) I've downloaded it and set it up in VMWare. I just don't know what to do with now I work better with screwdrivers than code.
The they have is windows 8, about a month ago would send an email with the iformación but no windows build 10 - to expect
That message seems to be talking about the RP2. I don't have a RP2 yet so I can't try this release on it, but I think this is for Galileo only.