Welch Allyn Cardioperfect Workstation, Software Version 1.6.5 - Installation Guide - Manual (Page 46)

CardioPerfect Workstation
DIR 80013928, Ver. F 46 / 56
If you leave this section blank, the installer uses default settings.
Registration Enter the serial number and release code from the purchase of your CPWS
software.
If you leave this section blank, CPWS prompts you to enter this information
the first time CPWS launches.
6. Press Save.
7. Press OK.