20-sim 4C only works on computers that will meet the following requirements:
•Operating System: Windows XP, Vista, 7 or 8.
•Available Disk Space: 350 MB.
•Ethernet: an ethernet connection is required for external targets.
Further requirements for using 20-sim 4C:
•20-sim 188.8.131.52 Professional (or higher) installed on the same computer.
•A valid 20-sim 4C license. Contact your local distributor to obtain a valid license. Note that 20-sim 4.1 (or higher) Professional and the 20-sim 4C 2.1 have separate licenses!