SIMATIC PCS 7, software, OS Software Conversion Pack V9.0 from 2x Single Station to Single Station Redundancy Single license for 2 installations R-SW, without SW, without documentation License Key on USB stick, Class A, 5 languages (de, en, fr, it, es), executable on WIN 7 Ultimate WIN 10 Enterprise LTSB for more information, see PCS 7 V9.0 Readme Reference HW: PCS 7 IPC Bundle