You can download the Intel Fortran Compiler for Windows 10 64-bit from the official Intel website: https://software.intel.com/content/www/us/en/develop/tools/oneapi/components/fortran-compiler.html
PROGRAM HELLO PRINT *, 'Hello, Fortran 77 on Windows 10 64-bit!' STOP END fortran 77 compiler for windows 10 64-bit free download
It is legendary for its optimization on Intel processors and includes full support for legacy Fortran 77. Requirement : You typically need to have Microsoft Visual Studio Community You can download the Intel Fortran Compiler for
Open a or PowerShell and type:
gfortran -x f77-cpp-input -std=f77 oldcode.for fortran 77 compiler for windows 10 64-bit free download