To get Java 17 support in Eclipse, you generally don't need a standalone "plugin" if you are using a modern version of the IDE. While older versions like required a specific marketplace entry for Java 17 support, all releases from Eclipse 2021-12 (4.22) onwards have Java 17 support built-in. 1. Download Java 17 JDK

: You can download the Java SE 17 JDK from Oracle.

Before configuring Eclipse, ensure you have the Java 17 Development Kit installed on your machine.

The easiest way to get Java 17 support is to download the latest version of the Eclipse IDE . Eclipse not recognising Java-17 - Stack Overflow

: Run the installer and note the installation directory (e.g., C:\Program Files\Java\jdk-17 on Windows). 2. Update to a Compatible Eclipse Version