Because this is specialized commercial software, Samsung typically hosts the official, secure installation files on their professional portals rather than standard consumer support pages.
While modern installations prefer TCP/IP (Ethernet/Wi-Fi), many legacy environments still rely on serial cables. Samsung MDC Unified supports both protocols seamlessly. You can even mix connection types in the same project. Samsung Mdc Unified
(Deducting one point for the archaic UI and lack of cloud access). Because this is specialized commercial software