Uninstalling the JDK on Windows. Uninstalling the JRE on Windows. JDK Installation Troubleshooting. Before installing the JDK or the JRE on your bit Windows platform, you must verify that it meets the following minimum processor, disk space, and memory requirements. The following table provides the disk requirements for the installed features:. The minimum physical RAM is required to run graphically based applications.
Running with less memory may cause disk swapping, which has a severe effect on performance. Very large programs may require more RAM for adequate performance. For any text in this document that contains the following notation, you must substitute the appropriate update version number:. If you are downloading the JDK installer for bit systems for update 10 Interim 0, Update 2, and Patch 1, then the file name jdk- If you are downloading the JRE installer for bit systems for update 10 Interim 0, Update 2, and Patch 1, then the file name jre- Downloading the JDK Installer.
Running the JDK Installer. Installing the JDK Silently. Under the Download menu, click the Download link that corresponds to the. Download the file jdk- Instead of double-clicking or opening the JDK installer, you can perform a silent, noninteractive, JDK installation by using command-line arguments. The following table lists example installation scenarios and the commands required to perform them. This topic only applies to the JDK.
If you do not set the PATH variable, then you must specify the full path to the executable file every time that you run it. For example:. The PATH environment variable is a series of directories separated by semicolons ; and is not case-sensitive.
You should only have one bin directory for a JDK in the path at a time. Those following the first instance are ignored. The new path takes effect in each new command window that you open after setting the PATH variable. The bit Windows operating systems come with a bit Internet Explorer IE browser as the standard default for viewing web pages.
Downloading the JRE Installer. Running the JRE Installer. If you are running behind a proxy server, then you must have your proxy settings correctly configured.
If they are not configured, or are incorrectly configured, then the installer will terminate with the following message:. The installer cannot proceed with the current Internet Connection settings.
If you do not know what the correct settings should be, check with your internet provider or system administrator. Windows Offline: jre- Windows Tar: jre- It requires a commercial license for use in production. By default, the Java Access Bridge is disabled. To access essential Java information and functions in Microsoft Windows 7 and Windows 10 machines, after installation, click the Start menu and then select Java.
The Microsoft Windows 8 and Windows 8. The installation program for the Microsoft Windows version of the Java SE Runtime Environment uses the registry to store path and version information. This key contains the string CurrentVersion , with a value that is the highest installed version on the system. JavaHome : the full path name of the directory in which the JRE is installed.
If there are two versions of JDK or JRE installed on a system, one with the new version-string format introduced in JDK 10 , and the other with the older version format, then there will be two different CurrentVersion registry key values.
For example, if JDK 1. During JDK install, Java menu items are added to the Windows Start menu to provide easy access to Java resources and a Java Development Kit folder is created in the Windows Start menu, which contains the following items:.
During JDK installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JDK version on the system.
During JRE installation, Java menu items are added to the Windows Start menu to provide easy access to Java resources and a Java folder is created in the Windows Start menu, which contains the following items:. The tab displays the latest JRE version installed on the system. Visit Java. During JRE installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JRE version on the system.
Java Web Start is an application-deployment technology that gives you the power to run full-featured applications with a single click from your web browser. With Java Web Start, you can download and run applications, such as a complete spreadsheet program or an internet chat client, without going through complicated installation procedures. With Java Web Start, you run applications simply by clicking a web page link. If the application is not present on your computer, Java Web Start automatically downloads all necessary files.
It then caches the files on your computer so that the application is always ready to be run anytime that you want - either from an icon on your desktop or from the browser link. No matter which method you use to run the application, the most current, available version of the application is always presented to you.
If you see the error message: This program cannot be run in DOS mode , then do the following:. These left behind registry entries can cause problems in installing a new version of Java. The following are the methods to cleanup registry entries:. Program Install and Uninstall troubleshooter Recommended Method. Run the Program Install and Uninstall troubleshooter to repair the corrupted registry keys that prevent programs from being completely uninstalled, or blocks new installations and updates.
Manually edit the registry Use this only if the Fix It utility does not work. Incorrectly editing your registry may severely damage your system. You should back up any valued data from your computer before making changes to the registry. Determine the correct Registry Key. Highlight the key, Right click and select Delete. Previous Next JavaScript must be enabled to correctly display this content. JDK Installation Instruction Notation for Windows For any text in this document that contains the following notation, you must substitute the appropriate update version number: interim.
Note: Verify the successful completion of file download by comparing the file size on the download page and your local drive. Alternatively, you can ensure that the downloaded file's checksum matches the one provided on the Java SE Downloads page. Install JDK in silent mode using the command: jdk. During JDK installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JDK version on the system Note: The Windows 7 and Windows 10 have a Start menu; however, the menu is not available in Windows 8 and Windows 8.
Note: Highlight Uninstall folder before performing search for a particular registry. System Error During Decompression If you see the error message: system error during decompression , then there might not be enough space on the disk that contains the TEMP directory.
Java applications are compiled to bytecode class file that can run on any Java virtual machine JVM regardless of computer architecture. Java is currently owned by the Oracle Corporation which acquired Sun Microsystems in Following tutorial will show you how to setup and configure Java 10 on Windows so you can develop and run Java code.
Check following posts if you are looking to download and install JDK 1. Java can be obtained from the Oracle Java download page.
As we are installing the latest Java version, you can find it at the top of the Oracle Java download page. Click on the Download button right below JDK. Here is the direct link to download the jdk Accept the License Agreement and pick the correct download for your operating system.
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