q: Preceding texts of firsts “.” of names of files whose (name of it as lowercase ends with “.exe”) of windows folder
or even better:
q: Preceding texts of firsts “.” of names whose (it as lowercase ends with “.exe”) of files of windows folder
Note the “s” at the end of “texts” and “firsts” in the statements above. If you want to display a list of results, you need to make your statements plural.