@14NC3107 said:
For all those who struggle to read the root.txt although they are NT AUTHORITY\SYSTEM or belong to the same group as NT AUTHORITY\SYSTEM: think about what you do as a privilege user on your recent personal Windows desktop/laptop when your system asks something because you are trying to install a new program.You “just” have to translate it in the (non interactive) shell you have.
Clicked and voilà my eyes opened.