SIMATIC S7, STEP 7 V5.7 DL Upgrade, (from V5.3 to V5.7), Floating License for 1 user, E-SW, software, documentation and license key as download, class A, 5 languages (de,en,fr,es,it), executable in Windows Server 2016, Windows Server 2019, Windows 10 Professional, Windows 10 Enterprise reference hardware: S7-300/400, C7 ******************************* goods recipient email address required for delivery