Are you compiling (like LAPACK or BLAS)?
If you see the version number, you are ready to compile!
compiler is largely defunct, several modern alternatives successfully compile Fortran 77 code while providing full 64-bit support. Department of Physics - University of Florida Top Free Fortran 77 Compilers for Windows 10 (64-bit) Looking for a Fortran 77 or newer compiler fo PC | Tek-Tips
Compile:
If you are looking for a tool specifically designed for Windows with a "Personal Edition" that is free for home use, Silverfrost FTN95 is a popular choice. Highlights fortran 77 compiler for windows 10 64-bit free download
ftn95 hello.f /link
If you want to minimize configuration steps, G95 is an excellent alternative.
wfc386 hello.f
For : Use Code::Blocks with the Fortran bundle. For quick legacy fixes : Try Force 2.0 . Are you compiling (like LAPACK or BLAS)
Open Watcom is a legendary open-source project that includes a dedicated FORTRAN 77 compiler ( wfc386 ). It actively supports modern Windows 10 64-bit environments and generates highly efficient code.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
If you see version information displayed (e.g., "gcc version 12.2.0" or higher), the installation was successful.
Code (filename hello.f):
Requires manual environment variable setup if installed standalone. 2. Silverfrost FTN95 (Express Edition)
Once you've downloaded a Fortran 77 compiler, follow these general steps to install and set it up on your Windows 10 64-bit system:
Open Notepad or any code editor (like VS Code) and save the following code as hello.f or hello.for : PROGRAM HELLO PRINT *, 'HELLO, WINDOWS 10 64-BIT!' END Use code with caution.
Silverfrost FTN95 is a dedicated Fortran compiler that offers a free "Express Edition" for personal and academic use. Department of Physics - University of Florida Top