SIMATIC STEP 7 Professional V17; upgrade V17-> V17/2021 Combo Floating License; engineering software in TIA Portal; software and documentation on DVD; license key on USB flash drive; class A; 9 languages: de,en,zh included, fr,sp,it,ru,jp,kr as download; executable in Windows 10, Windows Server 2016/2019; for configuration of SIMATIC S7-1200/1500, SIMATIC S7-300/400/WinAC, SIMATIC Basic Panels ******************************* content: set (5x DVD + 1x USB)