In order to add a new account, you should find the Accounts/Manage Accounts option from the main screen and select Add Account. Fill up the provided fields and then register the account. After that, close the utility, open it, and use the login information for your new account to start a transaction. For further details check the video tutorial provided by the developers. Also, if you have problems, you can contact the support team using the contact information from the official web page.