SIMATIC STEP 7 Professional V17; upgrade V11..V16-> V17 or V11/2010..V16/2017-> V17/2021 or 2006..2017-> V17/2021 Combo Floating License DL; Engineering Software in the TIA Portal; also applies for upgrade from V11 single licenses; software, documentation and license key for download; class A; 9 languages: de,en,zh included, fr,sp,it,ru,jp,kr as download; executable in Windows 10, Windows Server 2016/2019; ******************************* Email address required for delivery