for Confluence for your instance, you will need to update these settings to determine the main behavior of Workflows.
To navigate to the Global Settings you must be a Confluence Administrator, you can do this by clicking on the :Cog: Admin Cog → Configuration (Under Workflows for Confluence)
Below is the Global Settings tab from the Configuration:

The three main settings are the following:
Enable Globally – this setting will enable/disable the app
Manage Workflows Globally – this setting will disable Space Admins from managing their space related workflows & settings
Default Workflow – Once you have created & enabled workflows you can set a default workflow which is applied to any page that is created