Check your JDK installation folder under jre/lib/ext/jfxrt.jar .

To download the JavaFX 8 SDK, the most efficient method depends on whether you are using the official Oracle distribution or an open-source alternative. Unlike newer versions where JavaFX is a separate download, JavaFX 8 was originally bundled directly within the Oracle JDK 8 . download javafx 8 sdk

However, Oracle stopped bundling JavaFX with JDK 8 starting in March 2025. Depending on your needs, you can still acquire it through the following reliable sources. 1. Download via Oracle (Legacy Bundled Version) Check your JDK installation folder under jre/lib/ext/jfxrt

You can download these specific older versions from the Oracle Java SE 8 Archive. Note that an Oracle account is required. 2. Modern Open-Source Distributions (Recommended) However, Oracle stopped bundling JavaFX with JDK 8

BellSoft offers a "Full JDK" version of Liberica JDK 8 that includes the JavaFX modules. These are available on the BellSoft Liberica download site. 3. Standalone SDK for Mobile and Embedded (Gluon) Azul Is Here to Help You with JavaFX 8 Changes