1) First of all I need to understand what scope refers to my storefront (I apologize if using uncorrect words, but I'm quite new)
2) I followed the instructions reported at the previous link:
when I set as scope "Defaul Store View" and I go to the storefront I see the red outlined text that may be modified. I modify it, but when, always following the linked instructions, I stop translate inline and refresh cache no text modification is shown
once, always following linked instructions, I set as scope "Default Config": I made an experiment just on a text line, then (following the instructions) I went to to storefront and text was traslated!
Now when I set as scope "Default Config" and I follow instructions to activate "translate inline" for storfront when I open storefront in a new window nothing happens: NO OUTLINED TEXT NO TRANSLATE OPTION. Page presents as usual