SIMIT Virtual Controller Upgrade 5 controllers from V9.0 to V9.1 Floating license for 1 user E-SW, SW and documentation on CD Use only in connection with valid SIMIT V9.0/V9.1 license / dongle, activation through SIMIT hotline required, Class A, 2 languages (de, en), executable in Windows 7 Ultimate Windows 10 Enterprise LTSB Server 2012 R2 For more information, see SIMIT V9.1 readme Reference HW: PC/PG