Phần mềm 6ES7822-1AA05-0YA5 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: deenfresitzh; Executable in Windows 7 (64-bit) Windows 10 (64- bit) Windows Server 2012R2 (64-bit)