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This page describes how to install and uninstall JRE 8 for Windows.
The page has these topics:
See 'JDK 8 and JRE 8 Installation Start Here' for general information about installing JDK 8 and JRE 8.
System Requirements
See http://www.oracle.com/technetwork/java/javase/certconfig-2095354.html
for information about supported platforms, operating systems, and browsers.
The following pop-up window titled Opening jre-8u221-windows-x64.exe will appear. Click the Save File button. This file should start downloading into your standard download folder. This file is about 76 Mb, so it may take a few minutes to download. The file should appear as Terminate the window browsing the Java download page.
See 'Windows System Requirements for JDK and JRE' for minimum processor, disk space, and memory requirements.
If you have any difficulties, see http://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/index.html
, 'Windows Online Installation and Java Update FAQ', or submit a bug report at http://bugreport.java.com/bugreport/
.
Proxy Settings and Authentication
To use the Windows Online Installer, you must be connected to the Internet. If you are running behind a proxy server, you must have your proxy settings correctly configured. If they are not configured, or are incorrectly configured, the installer will terminate with the following message:
If you see this message, check your proxy settings: From the Start menu select Settings, click Control Panel, double-click Internet Options, select the Connections tab, and click the LAN Settings button.
If you do not know what the correct settings should be, check with your Internet provider or system administrator.
Installation Instructions Notation
For any text in this document that contains the following notation, you must substitute the appropriate update version number:
For example, if you were downloading the JRE installer for 32-bit systems for update 1.8.0_01, the file name: jre-8
version
-windows-i586.exe would become jre-8u1-windows-i586.exe
.
Similarly, if you were downloading the JRE installer for 64-bit systems for update 1.8.0_01, the file name jre-8
version
-windows-x64.exe
would become jre-8u1-windows-x64.exe
.
Installation Instructions
Installing the JRE consists of two main steps:
Downloading the Installer
You have a choice of the following kinds of JRE installers that you can download:
Windows x86 Online:
jre-8
version
-windows-i586-iftw.exe
(The lettersiftw
mean 'install from the web.')Windows x86 Offline:
jre-8
version
-windows-i586.exe
Windows x64:
jre-8
version
-windows-x64.exe
The Windows x86 Online Installer is a small program that will download more installer files based on your system configuration. Using this installer can help you avoid downloading large amounts of unnecessary files. For more information, see 'Windows Online Installation and Java Update FAQ'.
The Windows x86 Offline Installer, as well as the installers for 64-bit systems, contain everything needed to install the JRE.
Note: The Microsoft Windows Installer (MSI) Enterprise JRE Installer is also available, which enables you to install the JRE across your enterprise. It requires a commercial license for use in production. For more information, see the MSI Enterprise JRE Installer Guide athttps://docs.oracle.com/javacomponents/msi-jre8/install-guide . |
Click the JRE Download link for the installer you want to use. A dialog box opens. Depending on your browser, click Save or Save File to save the JRE installer without installing it. Verify that you have downloaded the entire file by comparing the size of the file you downloaded with the expected size shown on the download page. Alternatively, (depending on your browser) click Run or Open to run the JRE installer from your browser.
Running the Installer
Note: You must have administrative permissions in order to install the JRE. |
If you saved the JRE installer to your computer, run the installer by double-clicking it. Follow the instructions the installer provides. The installer notifies you if Java content is disabled in web browsers, and provides instructions for enabling it. If you previously chose to hide some of the security prompts for applets and Java Web Start applications, the installer provides an option for restoring the prompts. When you are finished with the installation, you can delete the downloaded file to recover disk space.
Note the following:
The public JRE installed with the JDK is not registered. (This also applies to the 64-bit version of the JDK.) You must set the
PATH
environment variable to point toJAVA_HOME
bin
(whereJAVA_HOME
is the location where you installed the public JRE) to register the JRE. See 'Private Versus Public JRE' for more information about the public JRE.By default, Java Access Bridge is disabled. To enable it, see
http://docs.oracle.com/javase/8/docs/technotes/guides/access/enable_and_test.html#enabling_jab
.After installation, use the Java item in the Windows Start menu to get access to essential Java information and functions, including help, the Java Control Panel, and checking for updates.
Uninstalling the JRE
To uninstall the JRE, use the Java Uninstall tool, which you can access in the following ways:
If the JRE is version 8u20 or later, uninstall it with the 'Add/Remove Programs' utility in the Microsoft Windows Control Panel. The Java Removal Tool is integrated with the uninstallation process, and it will guide you through the removal of older JREs.
Use the online Java Uninstall tool:
https://www.java.com/en/download/uninstallapplet.jsp
The Java Uninstall tool helps you improve your computer security by simplifying the process of finding and uninstalling older versions of Java. The Uninstall tool shows you a list of the Java versions on your computer and then removes those that are out-of-date.
Note: The Java Uninstall tool will not run if your system administrator specified a deployment rule set in your organization.A deployment rule set enables enterprises to manage their Java desktop environment directly and continue using legacy business applications in an environment of ever-tightening Java applet and Java Web Start application security policies. A deployment rule set enables administrators to specify rules for applets and Java Web Start applications; these rules may specify that a specific JRE version must be used. Consequently, the Java Uninstall tool will not run if it detects a deployment rule set to ensure that no required JREs are uninstalled. See |
Java Start Menu
Starting with JDK 7u40 release, Java menu items are added to the Windows Start Menu to provide easy access to Java resources.
During JRE install, a Java folder is created in the Windows Start Menu, which contains the following items:
About Java: Opens an About Java window that shows the latest JRE version installed on the system.
Check for Updates: Opens the Java Control Panel with focus on the Update tab.
Configure Java: Opens the Java Control Panel with focus on the General tab.
Get Help: Opens the URL
http://java.com/en/download/help/index.xml
.Visit Java.com: Opens the URL
http://java.com/en/
.
During JRE install and uninstall processes, the appropriate start menu items are updated to be associated with the latest JRE version on the system.
Java Plug-in
Java Plug-in technology, included as part of the JRE, establishes a connection between popular browsers and the Java platform. This connection enables applets on web sites to be run within a browser on the desktop. Java Plug-in is automatically enabled for supported web browsers during installation of the JRE. No user intervention is necessary. See http://docs.oracle.com/javase/8/docs/technotes/guides/deploy/applet_dev_guide.html
for more information about Java Plug-in technology.
Note: In Java SE 8, the version of Java Plug-in that is available in versions of the JRE prior to Java SE 6 Update 10 has been deprecated. However, this earlier version of Java Plug-in is still shipped with Java SE 8 for compatibility purposes but is no longer fully supported. It will be removed in a future release. For backward compatibility purposes, you can specify which Java Plug-in is used to run applets in the Java Control Panel. To specify this, run Java Control Panel, go to the Advanced tab, Java Plug-in node, and toggle the check box labeled Enable the next-generation Java Plug-in. See Java Control Panelhttp://docs.oracle.com/javase/8/docs/technotes/guides/deploy/jcp.html#JSDPG759 for more information. In addition, you can use the Java Control Panel to manage multiple JRE versions used for applet execution. |
Java Web Start
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. You can now 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 the application is always ready to be run anytime 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. See Java Web Start for more information.
This topic covers the following topics:
Upgrading from Previous Versions
If you have a previous version of Java Web Start, do not uninstall it. Uninstalling it will cause the download cache to be cleared, and all previously installed Java Web Start application data will have to be downloaded again. This new version will write over previous installations and automatically update browsers to use this new version. The configuration files and the program files folder used by Java Web Start have changed, but all your settings will remain intact after the upgrade because Java Web Start will translate your settings to the new form.
Uninstallation
The only way to uninstall Java Web Start is to uninstall the JDK/JRE. Uninstalling the JDK/JRE will not, however, remove the cache for previous versions of Java Web Start. Previous releases have separate uninstall instructions for Java Web Start.
You may see a misleading message if you do the following:
Download and cache a Java Web Start application with the JDK or JRE.
Remove the JDK or JRE using 'Add or Remove Programs' from the Windows Control Panel.
Remove the Java Web Start application using 'Add or Remove Programs.'
When you remove the application, you see an 'Uninstaller Error' dialog box saying 'An error occurred while trying to remove Java-Application: name App. It may have already been uninstalled. Would you like to remove Java-Application: name App from the Add or Remove program list?' If you say yes to this, then you will see another 'Uninstaller Error' dialog box saying 'You do not have sufficient access to remove Java-Application: name App from the Add or Remove Program list. Please contact your system administrator.' This is the misleading message. It implies that the problem is due to privileges. It is not. The problem is that you have already removed the Java Web Start application when you removed JDK or JRE, but this is not reflected in the 'Add or Remove Programs' dialog box until it is refreshed by pressing F5 or it is closed and reopened.
To avoid seeing this misleading message, either press F5 or close and reopen the dialog box. Any Java Web Start application that was downloaded and cached with the JDK or JRE will no longer appear in the list of currently installed programs.
Java Update Feature
For issues related to the Java Update feature, see http://docs.oracle.com/javase/8/docs/technotes/guides/deploy/jcp.html#JSDPG759
.
Option to Disable the 'JRE out of date' Warning
When the installed JRE (7u10 or later), falls below the security baseline or passes it's built-in expiration date, an additional warning is shown to users to update their installed JRE to the latest version. For businesses that manage the update process centrally, users attempting to update their JRE individually, may cause problems.
Starting from 7u40, a new deployment property, deployment.expiration.check.enabled is available. This property can be used to disable the JRE out of date warning.
To suppress this specific warning message, add the following entry in the deployment properties file:
To disable automatic updates, un-check the Check for Updates Automatically check box in the Update tab of the Java Control Panel.
Silent Installation
To install the JRE silently or non-interactively, which is useful for installing on multiple computers, see 'Command-Line Installation'.
Installation of JRE on 64-Bit Windows Computers
64-bit Windows operating systems (which may be Vista, Windows 7, or Windows 8) come with a 32-bit Internet Explorer (IE) browser as the standard (default) for viewing web pages. These operating systems also include a 64-bit Internet Explorer browser. However, using it is optional, and it must be explicitly selected to view web pages. Note that because some web content may not work properly in a 64-bit browser, it is recommended that you use the default 32-bit browser and install the 32-bit JRE.
The following topics can help you determine which JRE to install:
Verifying Your Version of Windows
See http://windows.microsoft.com/en-us/windows/32-bit-and-64-bit-windows#1TC=windows-7
to determine if your system is running a 64-bit version of Windows.
Verifying Your Browser
Follow these steps to determine whether you are using a 32-bit or 64-bit version of Internet Explorer:
Start Internet Explorer.
In the menu bar, click Help.
Select About Internet Explorer, which will open an information window.
Follow one of the following methods to determine whether you are using a 64-bit version of Firefox:
Check the About Firefox panel.
Type
about:support
in the browser address.
If you running 64-bit version of Firefox, it may be indicated as 64-bit (for example, Win64); otherwise, it is a 32-bit version of Firefox.
Note: The 64-bit JRE is presented as a download option automatically for 64-bit Internet Explorer and 64-bit Firefox for Windows users. |
Choosing Which JRE Installer to Download
Download a JRE installer, depending on which browser you have installed:
32-bit browser: download the 32-bit JRE installer (use either the Windows x86 Offline or Online installer).
64-bit browser: download the 64-bit JRE installer.
Both 32-bit and 64-bit browsers: download both the 32-bit and 64-bit JRE installers, respectively.
Jre-8u271-linux-i586.rpm
Latest Version:
Java JRE 8 Update 271 (32-bit) LATEST
Requirements:
Windows Vista / Windows 7 / Windows 8 / Windows 10
Author / Product:
Oracle / Java Runtime Environment (32-bit)
Old Versions:
Filename:
jre-8u271-windows-i586.exe
MD5 Checksum:
3c10243246f98663d2dad2233f854718
Details:
Java Runtime Environment (32-bit) 2020 full offline installer setup for PC
Cached
It provides the libraries, the Java Virtual Machine, and other components to run applets and applications written in the Java programming language. In addition, two key deployment technologies are part of the JRE: Java Plug-in, which Enables Applets to Run in Popular Browsers; and Web Start, which deploys standalone applications over a network. Many cross-platform applications also require Java to operate properly.
Itis a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. The program is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere! Itis at the heart of the digital lifestyle. It's the platform for launching careers, exploring human-to-digital interfaces, architecting the world's best applications, and unlocking innovation everywhere—from garages to global organizations.
Why should I upgrade to the latest version?
The latest version contains important enhancements to improve the performance, stability, and security of the applications that run on your machine. Installing this free update will ensure that your applications continue to run safely and efficiently.
What will I get when I download software?
The Java Runtime Environment (JRE) is what you get when you download software. The JRE consists of the Java Virtual Machine (JVM), Java platform core classes, and supporting Java platform libraries. The JRE is the runtime portion of the software, which is all you need to run it in your Web browser.
What is Java Plug-in software?
The program is a component of the (JRE). The JRE allows applets written in the programming language to run inside various web browsers. The Plug-in software is not a standalone program and cannot be installed separately.
I have heard the terms Virtual Machine and JVM. Is this software?
The Virtual Machine is only one aspect of software that is involved in web interaction. The Virtual Machine is built right into your software download and helps run Java apps.
Note: When your installation completes, you may need to restart your browser (close all browser windows and re-open) to enable the installation.
Also Available: Download Java Runtime Environment for Mac