The latest version of this application is 1.0.3.4 and is an exe file (RDAExplorerGUI-exe) which doesnt require instalation.It has 2 .dll files ( RDAExplorer.dll and ZLib.dll) attached to work.
Unpack it on a new created folder and also copy and paste your .rda original file from game into the RDA folder for edit.
Source : http://rdaex.tilegame.bplaced.net/
Make a copy of that original file and edit that copy for further exploration.Don't edit original files , you might alter them by mistake and your game will not work anymore,also if you select Save option the app may overwrite the file, so use always a copy to edit it.

Windows XP, Vista or Seven
Anno 1404
.NET Framework 3.5 + SP1
.NET Framework 4.0


