: This mode allows permanent configuration use but limits downloads to specific HMI series like HMISTO and HMISTU .

If you cannot find it online, open a ticket with Schneider Electric support. Explain that you are maintaining a legacy STO/STU panel. They will usually provide a secure link via their "Legacy Software Request" system.

Here is why:

: Vijeo Designer Basic 1.2 can be installed on the same PC as other Schneider software like SoMachine or EcoStruxure Machine Expert. Upgrade Note

If you need , here's what it offered — and how to get similar capabilities legally: