A short tutorial on using Fortran with Code Blocks. To begin:

Install GNU Fortran compiler (open source, see https://fortran-lang.org/en/learn/os_setup/install_gfortran/ for instructions)

Install Code Blocks (open source, https://www.codeblocks.org/downloads/binaries/)

Useful links on installation/ setting up:

https://blog.hani-ibrahim.de/en/english-fortran-ide-for-macos.html#h0

https://17024585154081310240.googlegroups.com/attach/1bd949d82ba6441d/Ten%20minutes%20to%20setup%20Modern%20Fortran%202003-2008%20on%20Windows.pdf?part=0.1&view=1&vt=ANaJVrF-jh-QOYYWYPnhsNfBT_GoGTzEuJU_tOGsKEh0fkL70duiG2wGn2_oPAnCcIhFyr0vUdUqy9OIBoFfw8DKg8_uhTN2mTGY1xb37QjPVdLic01e9wo

Start Code Blocks

Open this project file "code_01/code_01.cbp"

Try to compile and run by Build > Build and run (F9)