Not completly true. "Windows Store app development requires Windows 8.1 RTM, which is available to MSDN and TechNet subscribers. Visual Studio 2013 RC does not support Windows 8.1 Preview or Windows Server 2012 R2 Preview. To develop on Windows 8.1 Preview or Windows Server 2012 R2 Preview, download Visual Studio 2013 Preview."
J
Joakim Alstig
@Joakim Alstig