TIA Portal Multiuser Engineering upgrade V14..V20 ->V21 floating license option for engineering software in the TIA Portal software and documentation included in STEP 7/WinCC-ISO software, documentation and license on USB flash drive 9 languages: de,en,zh included, fr,es,it,ru,ja,ko as download -- for system requirements specification, see www.siemens.com/compatool -- -- -- software class A content: 1x USB