To add information you just have to click on the add symbol located at the bottom right of the window.

Clicking on it will open the options to add a new folder or a new file.

If the option to add a new folder is chosen, the system will display a window requesting the name of the folder to be added to the system.

To add files such as images, documents, etc., you must click on the new file option (being in the destination folder so that it is uploaded to that location), after clicking, the system will display a window where you can drag or select the file in question.