Folder contains libraries used by the binding. Provide 'java.library.path' VM option to a folder with one of those file (ex: -Djava.library.path=./some/folder). By default binding expects 'imgui-java' ('imgui-java64' for x64 arch) file name. You can change that by using 'imgui.library.name' VM option (ex: -Dimgui.library.name=custom-lib-name). - imgui-java.dll << win32 - imgui-java64.dll << win64 - libimgui-java.so << linux32 - libimgui-java64.so << linux64