A: No legal download exists. If you have no installation media, you cannot obtain it from Schneider anymore. Your only hope is an archived copy from a colleague or legacy support forum.
For older versions of Twido Suite (specifically v2.0 through v2.3), Schneider Electric opened up universal registration credentials to ensure users could maintain their systems without server-side validation. twido suite authorization code
If you are working on an urgent field project or cannot reach Schneider Electric support, you can bypass the authorization requirement entirely using an official built-in workaround. A: No legal download exists