In the earliest versions (v1.x to v2.0), the "registration code" was tied to a physical green or blue USB key (dongle). If you have the dongle, you do not need a software code—the presence of the dongle unlocks the software.
Because Schneider Electric handles the legacy registration process completely free of charge, using cracked variants introduces unnecessary digital security risks to your facility's operational technology (OT) environment. Moving Forward: The Modern Alternative Twidosuite Registration Code
For the final freeware versions, entering basic user information or leaving the registration code field blank (or using the default key provided in the readme file) will grant full access. Step 3: Configure Windows Compatibility In the earliest versions (v1