TFannNetwork is a Delphi component that encapsulates the Fann Library. You do not have to install TFannNetwork to use Fann on Delphi, but it will make the library more Delphi friendly. Currently it has only a small subset of all the library functions, but I hope that will change in the near future.
To install TFannNetwork you should follow all the previous steps and copy the FannNetwork.pas and Fann.dcr to your Delphi Library PATH. Choose Component/Install Component. In the Unit file name field, click on Browse and point to the fannnetwork.pas file. By default Delphi will install in the Borland User Components package, it might be changed using Package file name field or Into new package page. Click on Ok. A confirmation dialog will be shown asking if you want to build the package. Click on Yes. You have just installed TFannNetwork, now close the package window (Don't forget to put Yes when it ask if you want to save the package). See the FannNetwork.pas file or the Xor Sample.