Contents

1. Prerequisites page. Read this before you start. OpenIFS requires a number of software packages to be available on the target computer system.
   
   
2. Supported systems. Lists the hardware and compilers that we provide compilation configurations for and the support level.
   
   
3. Install grib_api for OpenIFS. The grib-api library is a standalone software library. Even if you have grib_api already installed on your system, we recommend reading this page on installing grib_api for OpenIFS.
   
   
4. Download OpenIFS describes how to download the source code and accompanying data files.
   
   
5. Building OpenIFS shows you how to configure the model for your machine, compiling the model and introduces the build system.
   
   
6. Test OpenIFS after installation describes how to run short integrations to verify the model is working correctly.

Support

Questions or problems can be directed to the user forums, comments found on these pages. Or you can email openifs-support@ecmwf.int.