2024 is a great time to start working with Java, because 2023's Java 21 release has some amazing new features. Here's how to quickly download and install the Java 21 JDK.

Java is still being used. We tell you how to install Java and make sure that you have enabled the latest Java version on your Windows computer.

Each version will be associated with a number, starting with 0. If you want to switch to Java 18, locate and type the associated number for Java 18 and hit Enter on your keyboard.

To check which version of Java you're running, you'll need to use Windows 10's Command Prompt app. The Command Prompt can seem intimidating at first, but if you know what to type, you'll be fine.