Enabling and Configuration
Once you install PreOrder from your Module List, click on Edit and go to the Module Settings. To enable your module, go to the Control Panel.
The first field there is Module Status. Choose the Enabled option and click Save Changes.
PreOrder is now enabled.
This action will enable all of the settings you have available for customizing PreOrder.
ImportantBefore using PreOrder, you have to assign it to all the layouts you want to show the PreOrder button created with the module. Go to Design > Layouts and choose the layouts you wish to assign the module for.