SIMATIC STEP 7 Professional V13 SP1 upgrade V11, V12 to V13 combo floating license. Engineering software in TIA portal. Valid for upgrading V11 single licenses. Software and documentation on DVD. License key on USB stick. Class-A, 6 languages. Executable under Windows-7 (32 bit, 64 bit), Windows 8.1 (64 bit), for configuration of SIMATIC S7-1200/1500, SIMATIC S7-300/400/WINAC, SIMATIC basic panels.