Create new Module Instance
First we may need to create a new Module Instance. After the Installation navigate to Content >> Administrator Modules:
You should see a list of created module instances now, Click now the "new" Button in the upper left corner of the screen if there is not already an instance of the NXD QuickIcons available or if you want to add one.
Here you have to select NXD Custom QuickIcons as Module Type:
Now you will see the Module Edit Screen: