Launching Java Control Panel ("Configure Java" available in Windows Start menu), and clicking "View" button on "Java" tab, opens Java Runtime Environment Settings window with Architecture column allowing to see if installed instances are 32-bit (x86) or 64-bit (x86_64). It is possible to install both 32-bit and 64-bit Java simultaneously on the 1. Alternatively, install a JDK, if you haven't done it yet, and take the jre folder in its installation directory. The JDK can also install it in Program Files (64-bit on 64-bit Windows, always on 32-bit Windows) or Program Files (x86) (32-bit on 64-bit Windows) as explained above. It searches your PATH until it finds the first matching java executable. If you want to specify a different java executable you can give the absolute path to the executable. C:\Users\Avril> "C:\Program Files\Java\jdk-11.0.1\bin\java" -jar path\to\file.jar. You may be wondering, if you've set JAVA_HOME and PATH to point to JDK-11, why does java In this video, we are going to learn How to Install Java JRE (Java Runtime Environment) on Windows 10.Download JRE: JAVA_HOME is not set by default in Windows Java. Instead, it lists itself in the registry. Instead, it lists itself in the registry. The value CurrentVersion in HKLM\SOFTWARE\JavaSoft\Java Runtime Environment indicates the version, and JavaHome under HKLM\SOFTWARE\JavaSoft\Java Runtime Environment\{version} provides the path. We highly recommend that you uninstall all older versions of Java from your system. Keeping old versions of Java on your system presents a serious security risk. Uninstalling older versions of Java from your system ensures that Java applications will run with the latest security and performance improvements on your system. To run an existing Java app, install a JRE. no Java JRE icon appears on the desktop. Java has no built-in GUI to display on a desktop OS such as Windows, macOS, or Linux. So no apps icons will appear. In the bin directory of a JDK/JRE, you will find several console apps. For example, the java console app is used to run Java apps. Invoke these Server Java Runtime Environment (Server JRE). For deploying Java applications on servers. Includes tools for JVM monitoring and tools commonly required for server applications, but does not include browser integration (Java plug-in), auto-update, or an installer. Learn more nqeL.