SIMATIC STEP7 Prof combo SUS DL incl. TIA Portal, Software Update Service (SUS) download, within the framework of this contract, you will receive for one year all current software versions. the contract is extended automatically by 1 year if it is not canceled 3 months prior to expiration. Period of delivery and service: 1 year from date of invoice Requirement for conclusion: current version of the software ******************************* E-mail address required for delivery