Integrating F# in SharpDevelop

How to enable F# Interactive in SharpDevelop by configuring the F# installation directory.

After installing SharpDevelop 4 the F# Interactive could not be activated.

In my case the correct folder for the F# installation must by specified in die application config file. So i opened SharpDevelop.exe.config and set this entry in the appSettings section:

<add key="alt_fs_bin_path" value="C:\Program Files\FSharp\bin"