Try the quickstart Fortran tutorial, to get an overview of the language syntax and capabilities.
Quickstart tutorialAsk a question in the Fortran-lang discourse - a forum for friendly discussion of all things Fortran.
Fortran-lang DiscourseAn introduction to the Fortran syntax and its capabilities
How to use the compiler to build an executable program
How to install a Fortran compiler and set up a development environment in Windows, Linux and macOS.
This tutorial collects a modern canonical way of doing things in Fortran.
man-pages for the Fortran Intrinsics