SIMATIC S7 Project Messages V5.7 DL, Floating License for 1 user, E-SW, software and documentation as download license key as download, class A, 5 languages (de,en,fr,es,it) from STEP7 V5.7, executable in Windows Server 2016, Windows Server 2019, Windows 10 Professional, Windows 10 Enterprise, reference hardware: S7-300/400, C7 ******************************* consignee e-mail address required for delivery