Note: If you install an older version of a JDK when the newer version of the same feature family already exists, an error is displayed, prompting you to uninstall a newer JDK version if an older version has to be installed. If you attempt to install JDK 8u381 after JDK 8u371 is installed, the installer uninstalls JDK 8u371 and installs JDK 8u381. For example, you can't install JDK 8u381 and JDK 8u371 simultaneously. You can't install multiple versions of the same feature release. JDK installers now support only one version of any Java feature release. Similarly, if you were downloading the JDK installer for 64-bit systems for update 381, the file name jdk-8 version-windows-圆4.exe becomes jdk-8u381-windows-圆4.exe. If you have any difficulties, see "Installation Troubleshooting" or submit a bug report at Oracle Java Bug Database.įor any text in this document that contains the following notation, you must substitute the appropriate update version number: versionįor example, if you were downloading the JDK installer for 32-bit systems for update 381, the file name: jdk-8 version-windows-i586.exe becomes jdk-8u381-windows-i586.exe. For more information about JRE installation, see "JRE Installation for Microsoft Windows". The JDK has the option of installing the public JRE. See Java Platform, Standard Edition 8 Names and Versions for information about Java SE 8 version numbers. The JDK and JRE have a version string that enables you to determine the version number. See "Windows System Requirements for JDK and JRE" for minimum processor, disk space, and memory requirements. System Requirementsįor supported processors and browsers, see Oracle JDK 8 and JRE 8 Certified System Configurations. See "JDK 8 and JRE 8 Installation Start Here" for general information about installing JDK 8 and JRE 8. This page describes how to install and uninstall JDK 8 for Windows. 15 JDK Installation for Microsoft Windows
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