Install java windows

To download the latest version of Java, go to Oracle Download page. At the time of writing this article, the latest available Java SE Development kit is version Newer versions of Java will be released every year, however the installation procedure for Java on Windows 11 will remain the same.

Save the Java installer on your Windows 11 PC. In the next section, we will determine if the Java is already installed on the computer and then look at installation steps for Java. Launch the Command Prompt as administrator and run the command java -version.

The java -version command checks if the java is installed on the computer. Right-click the Java Installer and select Open. The installer extracts the files required for the setup. Click Next to continue. Within few seconds, the Java installs on Windows Click Close. This completes the installation of Java on Windows 11 PC.

Environment variables are values that impact the processes and behavior of running computer systems and OS environments. You need this path while configuring environment variable for Java. Open Windows 11 start Menu and type environment variables.

From the results, select Edit the system environment variables. The Environment Variables window displays the user variables and system variables present on Windows 11 PC. Under the Uninstall folder, you will find many registry entries within curly brackets. The registry key is highlighted on the right-hand side of the pane and values of various uninstall strings are displayed on the left-hand pane. 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.

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. Right-click the title bar.

Select Properties. Select the Program tab. Click Advanced. Select OK.