This section will control the active countries displayed on paid checkout pages. Here can be selected the countries that display in credit card sign up forms & choose which countries show at the top:
In order to select which countries to display on the section above, please go to Finance » Payment Gateways » Additional Settings » Billing Address Countries
It will open this new page where the Active, Featured and Not Active Countries can be selected:

Country Statuses
- Not Active (The country is not going to display as an option on the Sign-Up / Checkout Page)
- Active (The country is going to display as an option on the Sign Up / Checkout Page)
- Featured (The country will show up first and so on, on the list)