A common point of confusion is whether to download the JRE or the Java Development Kit (JDK):

Tools like Java Web Start for launching network-based apps. JRE vs. JDK: Which One Should You Download?

The engine that executes the code.

The Java Runtime Environment (JRE) is the essential software layer required to run Java applications on your computer. Whether you are trying to play a web-based game, use enterprise business software, or run a desktop utility, downloading and installing the correct JRE is a critical step.

The JRE acts as a bridge between the Java application and your operating system. It includes several key components:

As of , the most recent stable releases are Java 25 (LTS) and the newer Java 26, which was released in March 2026. What is the Java Runtime Environment (JRE)?

What is the difference between JDK and JRE? - Stack Overflow

A set of standard classes used by programs at runtime.