SOFTWARE ON DVD: DRIVE ES BASIC V5.5 UPRGADE ENGINEERING SW FOR DRIVES 5-LANGUAGE DVD WITH ELECTR. DOCUMENTATION FOR STEP7 V5.5 UPGRADE V5.X TO V5.5 TO EXISTING SINGLE LICENSE (MINIMUM-INSTALL.-REQUIREMENT STEP7 AB V5.4) SUITABLE FOR WINDOWS 7 PROFESSIONA

SOFTWARE ON DVD: DRIVE ES BASIC V5.5 UPRGADE ENGINEERING SW FOR DRIVES 5-LANGUAGE DVD WITH ELECTR. DOCUMENTATION FOR STEP7 V5.5 UPGRADE V5.X TO V5.5 TO EXISTING SINGLE LICENSE (MINIMUM-INSTALL.-REQUIREMENT STEP7 AB V5.4) SUITABLE FOR WINDOWS 7 PROFESSIONAL& ULTIMATE (32BIT)