To install a lower version of the JRE, first uninstall the current version as described in 'Uninstalling the JRE'. The one exception is that the system will not replace the current JRE with a lower version. Installing the JDK also installs the JRE. You cannot install Java for a single user. Note that installing the JDK on OS X is performed on a system wide basis, for all users, and administrator privileges are required. System RequirementsĪny Intel-based computer running OS X 10.8 (Mountain Lion) or later. See 'OS X Platform Install FAQ' for general information about installing JDK 8 on OS X.

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 OS X computers. Go here to download Java JRE6 for OS X 2017-001 The download notes from Apple for that releases are as follows: Java for macOS 2017-001 installs the legacy Java 6 runtime for macOS 10.13 High Sierra, macOS 10.12 Sierra, macOS 10.11 El Capitan, macOS 10.10 Yosemite, macOS 10.9 Mavericks, macOS 10.8 Mountain Lion, and macOS 10.7 Lion. After upgrading to yosemite, java 6 jdk is no longer available, remember that jdk 6 for mac osx is a 32-bit application, older eclipse releases needs a 32-bit jvm in order to run properly, a 32-bit application cannot run with a 64-bit jvm like java 7 or 8, so you need to install jdk 6 to run those java applications that needs a 32 bit virtual machine. A file named InstallOS.dmg will download to your Mac. If you still need macOS Sierra, use this link: Download macOS Sierra. For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.

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