On Windows 10 a pop-up window will appear: The app you're trying to install isn't a Microsoft-verified app Open the location of the downloaded executable. Sign in with an existing account or create a new account to continue.Ĭheck the Java Archive section for older versions like 1.8.0_202. You will need an Oracle account in order to download the JDK. In this guide, we will download the 64-bit installer: jdk-8u331-windows-圆4.exe.Īccept the license pop-up and click on the Download jdk-8u331-windows-圆4.exe button. Verify your windows bit version and click on the corresponding link: Look for the Java SE Development Kit 8u331 section. Head over to the Oracle Java SE 8 download page.

Oracle’s OpenJDK (open source) – you can use this for free in any environment.

Oracle’s JDK (commercial) – you can use this in development and testing for free, but if you use it in production you have to pay for it.

Instead of having a single JDK build which you can use for free, they now have two different JDK builds: Note that Oracle has changed the license of their JDK. The official reference implementation is maintained by Oracle.

To do this the JRE uses Java libraries and a Java Virtual Machine (JVM) that executes the compiled Java code.ĭifferent JDK implementations are available.

The JDK also contains a Java Runtime Environment (JRE) that is able to run compiled Java code. Other tools include an archiver (jar) and a documentation generator (javadoc). One of these development tools is a compiler (javac) that converts Java source code (. It contains tools that allow you to develop and run your Java program. When you want to create a Java application you need a Java Development Kit (JDK). Check following guides if you are looking to download and install JDK 1.5, JDK 1.6, JDK 1.7, JDK 1.9 or JDK 1.10.

Install java jdk