Hi Felix,
i repeated all dquence in install from scratch and the program working well and when i restart my computer i didn't find the program installed.
i repeated the same squence again but the following happened;
i used terminal to go to the paparazzi directory then
cd paparazzi
make
when i enter make
File "fig.ml", line 1, characters 0-1:
Error: Could not find the .cmi file for interface fig.mli.
make[1]: *** [fig.cmo] Error 2
make: *** [lib] Error 2
and also
./paparazzi
bash: ./paprazzi: No such file or directory