SIMATIC S7, S7 SCL V5.7 Upgrade, floating license for 1 user engineering software, software and documentation on CD, license key on USB flash drive, class A,, 5 languages (de,en,fr,es,it), from STEP 7 V5.7, executable in Windows Server 2016, Windows Server 2019, 2022, Windows 10 / 11 Professional, Windows 10 / 11 Enterprise, reference hardware: S7-300/400, C7 ******************************* content: set (1x CD + 1x USB)