SIMATIC STEP 7 Professional V18; upgrade V11..V17-> V18 or V17/2021 Combo -> V18/2021 SR1 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,es,it,ru,ja,ko as download; executable on Windows 10; Windows 11; Windows Server 2016/2019/2022 for configuration of SIMATIC S7-1200/1500, S7-300/400/WinAC, SIMATIC Basic Panels *******************************