Adding funds to a Flight Schedule Pro account is a very wise decision for most users to make because Leighnor Aircraft will provide account credits (e.g. “free money”) for specific fund amounts placed on account.
To add funds to a Flight Schedule Pro account, log in to Flight Schedule Pro, which will display the user Dashboard:

Click the blue “Add Funds” button and the following dialog will display:

As can be seen, a credit card has already been added to this account. There is an option to add another credit card, which will open the add credit card dialog fields and allow the user to save another credit card. By default the primary credit card will always be selected.
Select the amount, the credit card and click the blue “Continue” button. The following payment confirmation dialog will display:

The “Confirm Payment” dialog will inform the user of the credit card being used, the amount being charged, and what the user’s resulting account balance will be once the transaction completes.