When your trial expires, the Trial/Upgrade screen will open. To purchase an upgrade, select the Upgrade button. Or you can choose to upgrade any time before the trial period ends by going to the Trial/Upgrade screen from the settings.
Select Vocab then Choose New Vocab in the upper left corner of the vocabulary page.
Select Menu in the upper right corner. The menu that opens will include Upgrade Store.
Select Upgrade Store. The Trial/Upgrade screen will reopen and allow you to purchase the upgrade.
After selecting Upgrade, enter your Apple ID purchase information and select the Purchase button. A message will indicate that your purchase was successful.
Select OK to close the message. Another message will confirm that your upgraded app has been installed and is ready to use.
Select Okay to close the message. Another message will inform you that the LAMP Words for Life app icon replaced the WFL DS icon in the software.
Select OK. Start the tutorial or select Later if you prefer to view the tutorial later.