>>>> I downloaded and I'm trying to install the windows version.
>>>> Is it normal that 2.19.84 version tries to install itself it in the old
>>>> folder "LilyPond2.19.83"?
>>>> Have a look to the attached screenshot.
>>> I suspect that it just tries installing into
>>> the same directory that you
>>> directed it to install to with the last
>>> invocation. That this contains
>>> a version string is not detected. It would
>>> likely be an interesting
>>> change to the installer to search for such
>>> patterns and replace them,
>>> but since the installer is not generic to LilyPond but a
>>> Windows-specific GUB component, that change
>>> would likely require some
>>> knowledgable surgery. Alternatively I am not
>>> sure whether Frescobaldi
>>> does not offer a means to download and install LilyPond versions.
>> I've just had a quick look at Frescobaldi and can't see anything on
>> its menus which implies that you can install Lilypond. Unless it's
>> well hidden.
> I think you are right; at least I cannot find anything like that in
> 3.0.0. I thought that this was being discussed at some time, but I
> don't know what the conclusion or any resulting action was.