SIMATIC STEP 7 Professional V21/2021 SR4 Combo incl. TIA Portal; floating license for 1 user; engineering software; software, documentation and license key on USB flash drive; class A; 5/9 languages (de,en,fr,es,it)/(zh,ru,ja,ko); executable in Windows Server 2019/2022/2025, Windows 10/11 Professional, Windows 10/11 Enterprise; reference hardware: S7-300/400 (S7-1200/1500) - - content: set (1x USB) https://elecena.pl/product/30577608/6es7810-5cc18-0ya5 2026-08-07 https://elecena.pl/product/30577608/6es7810-5cc18-0ya5 2026-09-25