Windows, installation directory path

I have the same understanding as you, having installed several versions over the years, but funny thing is the installation on the desktop did not create anything in the appdata. First time this is happening.

Interesting, about the activation, I wasn’t aware of that.
Do you know if the order for settings is the appdata first the program subfolders second? (for example if you have settings for an addon initially under program and following activaation under appdata?