gfortran -std=legacy -ffixed-form -o legacy_app.exe old_code.f Use code with caution.
If the terminal asks you to close it to complete the update, do so, then reopen the terminal. Step 3: Install the Fortran Compiler fortran 77 compiler for windows 10 64-bit free download
Because g77 is an obsolete 32-bit application, it may require compatibility mode tweaks to install and run reliably on 64-bit Windows 10. MinGW-w64 is highly recommended over this option. Step-by-Step Installation: gfortran via MSYS2 (Recommended) gfortran -std=legacy -ffixed-form -o legacy_app
To compile a Fortran 77 file (let's call it hello.for ), navigate to your folder in the command prompt and run: 'Hello from Fortran 77' END
PROGRAM HELLO PRINT *, 'Hello from Fortran 77' END