No, the registration code is an important part of your license and is provided once with your purchase. Please save your registration code, you'll need it when reinstalling the software. Lost your registration code? Contact us via hello@bridgeshop.com.au and if you bought the software as a download we might be able to resend the information. Register your Jack from the Help menu within the program. Then, if you loose your registration code, the Jack people will be able to retrieve it.