SIMATIC STEP 7 Professional Legacy Powerpack and upgrade STEP 7 V5.3..V5.6 -> V21/2021 SR4 Combo floating license; including S7 PM; engineering software in the TIA Portal; software, documentation and license key on USB flash drive; 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. -- software class A; content: 1x USB; - - for system requirements specification, see www.siemens.com/compatool