Malcolm, Since you're in a Windows environment, go check out Cygwin at http://sources.redhat.com/cygwin. It's all precompiled binaries of the GNU collection and other stuff setup for Windows. -brian On 1/30/12 6:43 AM, "Malcolm" <mjones_aus@xxxxxxxxxxxxxx> wrote: >I am keen to install and use the GNU Fortran compiler for use with my >hydrologic research. I've left the Uni (retired) and don't have >access anymore to their resources. >However, I can't find a simple explanation of (a) what programs I >need to download (b) how I set them up on my PC (running Windows >7x64). (c) how I compile and run my fortran programs. I've scanned >the gcc.pdf & gfortan.pdf, but they don't seem to help at all. >Can you please help me, or point me to someone/documentation that can? >thanks >Malcolm Jones >