I think the windows are in recreational parts of the ship
and the observation lounge.
I'm sure the Trek wiki can tell you.
(
WormuIus, Wed 27 Aug 2008, 10:34,
archived)
I'm not going there,
I might catch something unpleasant.
(
Moon Girl Technologies horrendous beanbag, Wed 27 Aug 2008, 10:35,
archived)