It generates hello.exe . Note that this compiler is 32-bit, but it runs seamlessly on Windows 10 64-bit.
PROGRAM HELLO C This is a comment line in Fortran 77 PRINT *, 'Hello, World from Fortran 77!' STOP END
Fear not. You do not need to pay for expensive commercial suites like Intel Visual Fortran to compile legacy code. There are excellent, free, open-source solutions available today. fortran 77 compiler for windows 10 64-bit free download
gfortran -x f77-cpp-input -std=f77 oldcode.for
Go to the MinGW-w64 website or use a distribution like winlibs.com , which provides standalone "zip" versions that don't require an installer. It generates hello
PROGRAM HELLO PRINT *, 'FORTRAN 77 is running on Windows 10 64-bit!' STOP END Use code with caution. Compilation Commands
sudo apt update sudo apt install gfortran You do not need to pay for expensive
Open a command prompt in the directory containing hello.f and run:
Ancient code that refuses to compile on modern compilers due to non-standard extensions or proprietary libraries.
Because GFortran is a command-line tool, Windows users typically install it via a package manager that provides the necessary environment. The easiest way to get this on Windows 10 is through or WinLibs .
While historically a premium paid product, Intel's standard-setting Fortran compiler is now completely free under the initiative. The Intel Fortran Compiler (ifx) is built on LLVM technology and offers unparalleled optimization for Intel and AMD processors.