If you have purchased a license for UltimateZip, you must enter the registration code you received to register UltimateZip and remove the registration notice on start up.

To open the registration window, click the "Enter Registration Code..." button from the startup screen or click "Enter Registation Code..." from Help menu.

If you entered wrong a code, a notice will be displayed stating the code was wrong.

If you have not yet registered UltimateZip, click "Continue Unregistered..." and click the link below to find out how to buy a license.