You can easily convert a free listing to paid listing once you buy paid packages.
Upon activation of a paid package, follow the below steps to refresh your property:
1. Login to your account and under ‘My Dashboard’ go to ‘Manage Properties
2. Select the property you wish to refresh
3. Click on ‘Refresh’ button
4. Select the package against which you would like to refresh your property and Click on ‘Continue to Refresh’
5. Your property listing will be refreshed against the paid package and converted to a paid package.