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SIMATIC S7, STEP7 V5.5 UPGRADE, (V3.X ... V5.4 TO V5.5), FLOATING LICENSE FOR 1 USER, E-SW, SW AND DOCU. ON DVD, LICENSE KEY ON USB STICK, CLASS A, 5 LANGUAGES (GE,EN,FR,IT,SP), EXECUTABLE UNDER WINXPPROF, WINDOWS 7 ULTIMATE, WINDOWS 7 PROFESSIONAL REFERENCE-HW: S7-300/400, C7