Open any web browser and type "**java jdk**" in the search bar

Click on the **Download the Latest Java LTS Free** link which is from **oracle.com**

Scroll to the **Release information** section and click on the **Installation Instructions** link

JDK 21
JDK 17
GraalVM for JDK 21
GraalVM for JDK 17
JDK Development Kit 21.0.2 downloads

JDK 21 binaries are free to use in production and free to redistribute, at no cost, under the Oracle No-Fee Terms and Conditions (NFTC).

JDK 21 will receive updates under the NFTC, until September 2026, a year after the release of the next LTS. Subsequent JDK 21 updates will be licensed under the Java SE OTN License (OTN) and production use beyond the limited free grants of the OTN license will require a fee.



Linux
macOS
Windows
Product/file description	File size	Download
ARM64 Compressed Archive	186.57 MB	
https://download.oracle.com/java/21/latest/jdk-21_linux-aarch64_bin.tar.gz (sha256)

ARM64 RPM Package	186.27 MB	
https://download.oracle.com/java/21/latest/jdk-21_linux-aarch64_bin.rpm (sha256) (OL 8 GPG Key)

x64 Compressed Archive	188.29 MB	
https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.tar.gz (sha256)

x64 Debian Package	160.09 MB	
https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.deb (sha256)

x64 RPM Package	187.99 MB	
https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.rpm (sha256) (OL 8 GPG Key)


Documentation Download


Release information
Online Documentation
Installation Instructions
Release Notes
Documentation License
JDK 21 Licensing Information User Manual (includes third-party licenses)
Certified System Configurations
Readme



Script-friendly Download URLs

The URLs listed above will remain the same for update releases to allow their use in scripts.

Learn more about automating these downloads

**Overview of JDK Installation** wizard will open, on the left bar click on the **5 Installation of the JDK on Microsoft Windows Platforms**

5 Installation of the JDK on Microsoft Windows Platforms

**JDK Installation Instructions for Windows** wizard will open, here you can view the java installation troubleshoot documentation

JDK Installation Instructions for Windows

Go to Windows Applications wizard and type "**Environment Variables**" in the search bar, click on the **Edit the system environment variables** option

**Environment Variables** wizard will open, click on the **Environment Variables...** button

Scroll to the **System variables** section and click on the **Path**, then click on the **Edit....** button

Check the **bin** path of Java. If it's present, then the **Environment Variable** is correctly set

Open the Command Prompt and type the command "**java -version**", **java version "21.0.2" 2024-01-16 LTS** is displayed.

Congratulations! you have successfully exploring the java installation troubleshooting!

Oracle

This guide provides step-by-step instructions on troubleshooting Java installation issues. It covers downloading the latest Java version, checking the installation guide, verifying environment variables, and checking the Java version using the Command Prompt. If you're having problems with your Java installation, this guide will help you identify and resolve the issues.

Troubleshooting Java Installation