if you did purchase from feelThere you can use the links you received at time if purchase. if you didn't save the links or they are not working contact BMTmicro with purchase information (date, creditcard, email address) - call 800-414-4268 (USA/Canada) / +1 910-792-9100 (international customers). once you collect your installer burn it to a disk, or thumbdrive,  including a .txt file with the activation key-code.