That does not say it won't run on 64 bit OS. The OS automatically detects a 32 bit app and runs it in compatibility mode.

>Q: Are there plans for Visual FoxPro to support 64-bit versions of the Windows operating system?
>
>No. While Visual FoxPro will remain 32-bit and not natively use 64-bit addressing, it will run in 32-bit compatibility mode. Visual Studio 2008 supports creating native 64-bit applications.
>http://msdn.microsoft.com/en-us/vfoxpro/bb190289.aspx