Fortran can be used in electronics and programming microcontrollers ? can you give some urls , examples ?
Fortran 77 where can be downloaded and installed [win] ?
Exist Fortran for windows with GUI ?
are there any freewares ?
where can be downloaded and installed [win] ?

 

If you do a Google on "Fortran for windows" you should come up with plenty of hits including some free versions.

As for Fortran for micros, I've never come across it and my immediate thought is why would you want to program microcontrollers in Fortran? Fortran is a high level language, that is not designed to program down to bit level, which you need to do when working with micros.

On the other hand C is designed to program down to bit level so most people who work with microcontrollers use either C or assembler.