Hi Raul. I hear you. I installed this package recently and had a similar question. The scripting shell is not a full fledged python interpreter. It's not Python but rather "Jython". You can't do the same things that you can do in an IDE (I haven't used Spyder and I use VS code instead. I'm guessing ...

I'm not sure if you installed the opensim python package. I don't have anaconda just plain python 3.7.9 on Windows 10. If you haven't installed the opensim python package, you would do it by cd'ing to the opensim folder. In my system it looks like this: cd C:\OpenSim 4.1\sdk\Python and then run some...