SIMATIC STEP 7 Professional V19 Legacy powerpack & upgrade STEP 7 V5.3..V5.6 -> V19/2021 SR2 Combo floating license; including S7 PM; 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; for configuration of SIMATIC S7-1200/1500, S7-300/400/WinAC, SIMATIC Basic Panels, SIMATIC Unified Basic Panels. ******************************* system requirements see www.siemens.com/compatool