JavaFX JDK download: https://gluonhq.com/products/javafx/ Be very careful about which download you grab; make sure both your operating system and architecture are correct, otherwise rendering won't work correctly. Instructions on how to add JavaFX to the buildpath: https://blog.floriancourgey.com/2020/06/javafx-installation-windows-macos Simple hello world to test your JavaFX installation. Alternatively, you can just run JFXHelloWorld.java in the testSandbox package. https://docs.oracle.com/javafx/2/get_started/hello_world.htm