Can not install modules and examples with Qt Maintenance Tool

  • Following this post, I'm trying to follow these instructions to test if I have the module installed. But when opening the Examples section inside the Qt Creator, it is empty:

    Screenshot 2020-04-25 at 13.21.26.png

    and trying to use Qt MaintenanceTool (maintenance tool) there are no modules to install:


    I would appreciate it if you could help me know what is the problem and how I can solve it.