SIMATIC STEP 7 Professional V21, floating license; 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. -- for system requirements specification, see www.siemens.com/compatool -- software class A content: 1x USB