This guide assumes you have downloaded a copy of the Windows installer for FIA. Follow these steps to install FIA.
The installer has a name of the form
When you first run the Windows installer, a screen similar to this appears. Click on 'Next'.
To allow FIA to be called from anywhere on your system, tick 'Add to Path' and click on 'Next'.
Check that the settings are what you want, and click on 'Install'.
Finally, you should see this completion message.