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