Location ​

It is used to change city & state field in the checkout page to dropdown list.

Active plugin ​

Go to Admin, find the Location plugin, and click Active.

Add countries, states, cities ​

You can add manually from Admin -> Locations.

Or you can import from CSV in Admin -> Tools -> Import locations

Enable to use ​

Go to Admin -> Ecommerce -> Advanced Settings and enable Load countries, states, cities from plugin location?