You can find the release notes and software files at the Schneider Electric Download Center .
Searching for a is a common task for engineers needing to program Schneider Electric controllers like the Modicon M241, M251, or M258. This software, now evolved into EcoStruxure Machine Expert , remains critical for maintaining legacy machines and commissioning new ones. How to Access SoMachine 4.1 ISO somachine 41 iso link download
You can find the installation files for SoMachine V4.1 SP2 at Schneider Electric's Software & Firmware page. You can find the release notes and software