SIMATIC STEP 7 Professional V17/2021 Combo including TIA Portal, Floating License for 1 user, E-SW, software, documentation and license key download, class A, 5/9 languages (de,en,fr,es,it)/(zh,ru,jp,kr), executable in Windows Server 2016/2019, Windows 10 Professional, Windows 10 Enterprise reference hardware: S7-300/400 (S7-1200/1500) ******************************* Email address required for delivery