To change the license key of an already registered copy of Shop'NCook software, you need to download and run once the software below:
No installation is necessary. You just just need to run the license key resetter software once and select which version of Shop'NCook you have - Pro, Menu or Home. Make sure however that Shop'NCook is not running when you do it.
After running the license key resetter software, you can throw it to the trash.
The next time you run Shop'NCook software, you will be prompted to input your license key. You can then input your family or multiuser license.