In 4D version 2003, it is possible to uninstall a serial number.
To uninstall a serial number:
1 Choose the Update License... command in the 4D Help menu.
The license management dialog box appears.
2 Click on the serial number you want to uninstall, then click on Remove:
A confirmation dialog box appears. If you confirm your choice, the serial number is immediately deleted from the license management dialog box. Any Expansion Serial Numbers that are associated with the license
number are also deleted.
Note: It is not possible to delete Expansion Serial Numbers directly.