Normally you would need to open the colour gallery and choose the CMYK.xar, right-click and choose 'Show in color-line' - but although the folder shows, it does not expand to show the included CMYK colours.
Bill's file appears to be incompatible with P&GD7 (or Xtreme 4, 5 and Designer Pro 6)

Here's how it looks in Designer Pro 7
Click image for larger version. 

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