Before running Sudokuki, you need to install a Java Runtime Environment. Then, just run the script sudokuki.sh (on GNU/Linux systems), or double-click on the JAR file (MS-Windows systems), or manually execute the following command: java -Djava.library.path=./libs -jar sudokuki-.jar (replace by the release version number) For feature requests, bug reports, remarks, contributions, etc., please visit: http://sourceforge.net/projects/sudokuki Sudokuki is free software, licensed under the General Public License version 3 or later. You are welcome to transfer it within certain conditions. Read 'COPYING' for more information.