SIMATIC STEP 7 Professional V18/2021 SR1 Combo incl. TIA Portal, floating license for 1 user, Eng. SW, SW and documentation on DVD, license key on USB stick, class A, 5/9 languages (de, en, fr, es, it)/(zh, ru, jp, kr), executable under Windows Server 2016/2019/2022, Windows 10/11 Professional, Windows 10/11 Enterprise, reference HW: S7-300/400 (S7-1200/1500) With SIMATIC STEP 7 (TIA Portal), the user configures, programs, tests and diagnoses all SIMATIC controllers, whether PLC or PC-based, including software controllers. Integration into the TIA Portal supports the user in the areas of collaboration, modularization, automated engineering, increased software quality and offers a comprehensive engineering framework for all automation tasks. SIMATIC STEP 7 helps you solve your engineering tasks intuitively and efficiently. Whether you are a single user, a team or a company, a licensing variant is available for every application to suit your requirements. An annual subscription to software bundles also offers an easy way to get started with the TIA Portal. In addition, you can use the Software Update Service (SUS) to keep your software up to date easily and inexpensively and always receive the latest software with the delivery release.