It don't know if it would help, but there is a reasonable pdf
"beginner's guide" in French with a free download at
The same group
has put together an easier to install---so they say---windows "remix"
of the Gimp with easy to install French documentation.
Maybe this can give some ideas.
(Note that I don't quite understand why they felt the need to have
their own documentation, but apparently the remix was motivated on the
basis of easier installation. I can't judge, given that I don't use
Best of luck,
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