SIMATIC STEP 7 Prof. V15 Upgrade V11..V14-> V15 or V11/2010..V14/2017-> V15/2017 or 2006..2010 -> V15/2017 Combo floating license DL; Engineering Software in TIA Portal; also applies for upgrade from V11 single licenses; software, documentation and License key for download; Class A; 6 languages: de,en,fr,es,it,zh; executable in Windows 7 (64 bit), Windows 10 (64 bit), Windows Server 2012/16 (64); ******************************* E-mail address required for delivery