SIMATIC STEP 7 Prof. V15.1; Floating License; Engineering Software in TIA Portal; SW and documentation on DVD; license key on USB flash drive; Class A; 6 languages: de,en,fr,es,it,zh; Executable in Windows 7 (64-bit), Windows 10 (64-bit), Windows Server 2012R2 (64-bit), Windows Server 2016 (64 bit); for configuration of SIMATIC S7-1200/1500, SIMATIC S7-300/400/WinAC, SIMATIC Basic Panels ******************************* Content: Set (3x DVD + 1x USB)