SIMATIC STEP 7 Professional V20, floating license; engineering software in the 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. -- for system requirements specification, see www.siemens.com/compatool -- content: set (3x DVD + 1x USB)