How to Download Apps From iTunes Without a Credit Card

1. Launch the iTunes program and sign in to your account using your iTunes username and password.
2. Select the 'View My Account' option from the 'Store' menu.
3. Click the button labeled 'Edit Payment Information.'
4. Select an alternate payment method you would like to use. Click the radio button by the 'PayPal' option to use PayPal to purchase applications, or select 'None' to input no payment information. Click the 'Done' button to save your settings.
5. Download your app. Click on the application you would like to download. Click the 'Get App' button to initiate the download.