License key activation
If the activation of the license key is not fully automatic, just follow these few steps.
Click on the Ninja Cookie icon in the toolbar. If the Ninja Cookie icon is not displayed in the toolbar of your browser, you can access it via the options of your browser directly from its menu (Menu > Extensions of Menu> Tools > Extensions for example),
Click on Settings,
Click on the “Premium” tab,
Copy-paste the license key you received by email,
Save and enjoy the features of Ninja Cookie Premium!