When you downloaded and installed the program, you had a box appear like this. The arrow indicates your machine ID which needs to be entered in the box above.

PrintControl 2.9.0 Installer
Version History
Windows 2003 Server, 2008 Server, XP Professional, Vista, Windows 7, 8.x., 10

Especially suitable for:
Principal Functions
- Colorimetric determination of print density for widest gamut and best
color match.
- Optimization and control of primary as well as secondary colors.
- Curve calculation for optimizing printing plates as well as digital printing.
- Paper classification and quality control based upon CIELAB values.
- Knowledge base places all relevant print and standardization information at
your fingertips.
- Wizard-based, optimized print standardization routines to have all prints standardize in just hours.