To install KEPServerEX v4.0:
V4.0 lacks modern encryption (TLS 1.2/1.3), user authentication improvements, and OPC UA security features. It’s a ticking time bomb in any connected environment. Kepserverex V4.0 Free Download
Kepware offers a free trial version of KepServerEX V4.0, which can be used for a limited period. For perpetual use, a license purchase is required. To install KEPServerEX v4