Be sure to start TomTom Home and select the menu BEFORE the navigation system is connected to the USB, otherwise the menus will be grayed out

And secondly:
How is one supposed to find that "Add voice" is displayed on the first page of TTH and you have to scroll to page 3 to find "Add computer voice" there.

Be sure to note the first point, then you don't have to laboriously and slowly download the files.

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Adding the "computer voice" via TTH, inside folder 'voices' I got the missing configuration file, finally. Now, when I click on test on the GO930 it does say its preview sentence

I am having issues operating the voices on my GO 930.
Followed this instructions here https://www.navitotal.com/voices/voices-loquendotts-x30-t923.html the voices appear to select but when I test them I don't hear nothing.
Anyone can help? Latest navcore patched.
PS: On tomtom home 2.25 I can't install anything
edit: deleting the loquendotts folder and unpacking the voices there and the lib worked