Searching for a free download of KEPServerEX V4.0 can be tricky because it is a legacy version of the software, and the developer, Kepware (now part of PTC), has long since moved on to Version 6.x.
As of November 15, 2016, by PTC/Kepware. While existing instances will continue to run, they do not receive technical support or software patches. How to Download KEPServerEX Kepserverex V4.0 Free Download
Unless you are locked into a very specific 15-year-old operating system, it is highly recommended to use the KEPServerEX V6 Free Demo . It includes: Modern Security : Better encryption and user management. OS Compatibility : Full support for Windows 10, 11, and Server 2022. IT/OT Convergence Searching for a free download of KEPServerEX V4
The benefits of using KEPServerEX V4.0 include: How to Download KEPServerEX Unless you are locked
: If you have a valid legacy license, your best bet is to contact PTC Support directly. They often provide archived installers to existing customers who need to maintain older systems.