In this tutorial, I show steps to modify and edit sikulix under OSX environment. This should not be different with other *nix environment. However, for windows environment, you may need to adjust yourself. Modify your code Clone from the repository Open the repository as maven project in netbeans. You can easily use this button to open the project You will see that the cloned project appeared in open windows like the following Open the project. It will be like this Modify any part you want to modify Clean and build the maven project. If you open other sub project of sikulix, make sure that you clean and build only the main sikulix maven project Create Installer Go to File Finder in the repository folder. You will see one file named runSetup. Using your terminal and cd to the folder and run the setup. $ runSetup It will bring you to SikuliX installation. Please remember that if you build yourself, ALWAYS do it in offline mode, means that you are n