How to Download JRE for Your Computer
JRE stands for Java Runtime Environment, which is a software layer that runs on top of your operating system and provides the necessary resources for Java applications to run. Java is a popular programming language that is used for various purposes, such as web development, game development, desktop and mobile applications, and more. If you want to run Java applications on your computer, you need to have JRE installed.
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In this article, we will show you how to download JRE for different operating systems, how to check if JRE is installed and what version you have, and how to update JRE to the latest version. We will also answer some frequently asked questions about JRE.
How to Download JRE for Different Operating Systems
JRE is available for free download from Oracle's website. You can choose the version that matches your operating system and follow the instructions to install it. Here are the steps for downloading JRE for Windows, macOS, and Linux.
How to Download JRE for Windows
Go to and click on "JRE" under "Java SE 8u311".
Click on "Accept License Agreement" and then click on the link that corresponds to your Windows version (32-bit or 64-bit).
Save the file (jre-8u311-windows-x64.exe or jre-8u311-windows-i586.exe) to your computer and run it.
Follow the instructions on the screen to complete the installation.
How to Download JRE for macOS
Go to and click on "JRE" under "Java SE 8u311".
Click on "Accept License Agreement" and then click on the link that says "macOS Installer".
Save the file (jre-8u311-macosx-x64.dmg) to your computer and open it.
Double-click on the icon that says "Java 8 Update 311" and follow the instructions on the screen to complete the installation.
How to Download JRE for Linux
Go to and click on "JRE" under "Java SE 8u311".
Click on "Accept License Agreement" and then choose the link that matches your Linux distribution (Debian, RPM, or Tarball).
Save the file (jre-8u311-linux-x64.tar.gz, jre-8u311-linux-x64.rpm, or jre-8u311-linux-i586.tar.gz) to your computer and extract it.
Follow the instructions in the README file to install JRE.
How to Check if JRE is Installed and What Version You Have
To check if JRE is installed on your computer and what version you have, you can use the following methods:
How to Check if JRE is Installed and What Version You Have on Windows
Open the Command Prompt by typing "cmd" in the search box or pressing Windows + R keys and typing "cmd".
Type "java -version" and press Enter. You should see something like this:
C:\Users\user>java -version java version "1.8.0_311" Java(TM) SE Runtime Environment (build 1.8.0_311-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.311-b - This means that JRE is installed and you have version 1.8.0_311.
If you see an error message or nothing at all, it means that JRE is not installed or not recognized by your system.
How to Check if JRE is Installed and What Version You Have on macOS
Open the Terminal by typing "terminal" in the Spotlight search or pressing Command + Space keys and typing "terminal".
Type "java -version" and press Enter. You should see something like this:
user@MacBook-Pro % java -version java version "1.8.0_311" Java(TM) SE Runtime Environment (build 1.8.0_311-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.311-b11, mixed mode)
- This means that JRE is installed and you have version 1.8.0_311.
If you see an error message or nothing at all, it means that JRE is not installed or not recognized by your system.
How to Check if JRE is Installed and What Version You Have on Linux
Open the Terminal by typing "terminal" in the application menu or pressing Ctrl + Alt + T keys.
Type "java -version" and press Enter. You should see something like this:
user@linux:$ java -version java version "1.8.0_311" Java(TM) SE Runtime Environment (build 1.8.0_311-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.311-b11, mixed mode)
- This means that JRE is installed and you have version 1.8.0_311.
If you see an error message or nothing at all, it means that JRE is not installed or not recognized by your system.
How to Update JRE to the Latest Version
To update JRE to the latest version, you can use the following methods:
How to Update JRE to the Latest Version on Windows
Go to and click on "JRE" under "Java SE 8u311".
Click on "Accept License Agreement" and then click on the link that corresponds to your Windows version (32-bit or 64-bit).
Save the file (jre-8u311-windows-x64.exe or jre-8u311-windows-i586.exe) to your computer and run it.
Follow the instructions on the screen to complete the installation.
The installer will automatically replace the old version of JRE with the new one.
How to Update JRE to the Latest Version on macOS
Go to and click on "JRE" under "Java SE 8u311".
Click on "Accept License Agreement" and then click on the link that says "macOS Installer".
Save the file (jre-8u311-macosx-x64.dmg) to your computer and open it.
Double-click on the icon that says "Java 8 Update 311" and follow the instructions on the screen to complete the installation.
The installer will automatically replace the old version of JRE with the new one.
How to Update JRE to the Latest Version on Linux
Go to and click on "JRE" under "Java SE 8u311".
Click on "Accept License Agreement" and then choose the link that matches your Linux distribution (Debian, RPM, or Tarball).
Save the file (jre-8u311-linux-x64.tar.gz, jre-8u311-linux-x64.rpm, or jre-8u311-linux-i586.tar.gz) to your computer and extract it.
Follow the instructions in the README file to install JRE.
The installer will automatically replace the old version of JRE with the new one.
Conclusion: Summary and Benefits of JRE
In conclusion, JRE is a software layer that enables Java applications to run on your computer. It is free to download and easy to install for different operating systems. It is also important to keep JRE updated to the latest version to ensure the security and performance of your Java applications. JRE has many benefits, such as: - It supports cross-platform compatibility, meaning that you can run the same Java application on different operating systems without any modifications. - It provides a rich set of libraries and tools for developing and running Java applications, such as graphics, networking, database, security, and more. - It enables the use of web-based Java applications, such as applets and servlets, that can enhance the functionality and interactivity of your web browser. - It allows you to run Java applications offline, without requiring an internet connection. We hope this article has helped you understand how to download JRE for your computer. If you have any questions or feedback, please feel free to leave a comment below.
FAQs: Five Common Questions and Answers About JRE
Here are some of the most common questions and answers about JRE that you might find useful:
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How to install Java Runtime Environment (JRE) on Windows
How to install Java Runtime Environment (JRE) on Mac OS X
How to install Java Runtime Environment (JRE) on Linux
How to install Java Runtime Environment (JRE) on Solaris
How to enable Java Runtime Environment (JRE) in your browser
How to update Java Runtime Environment (JRE) to the latest version
How to uninstall Java Runtime Environment (JRE) from your computer
How to troubleshoot Java Runtime Environment (JRE) issues and errors
What is the difference between JRE and JDK?
JRE stands for Java Runtime Environment, which is a software layer that provides the resources for Java applications to run. JDK stands for Java Development Kit, which is a software package that contains JRE and other tools for developing Java applications, such as compilers, debuggers, documentation, and more. You need JDK if you want to create Java applications, but you only need JRE if you want to run them.
What is the difference between JRE and JVM?
JRE stands for Java Runtime Environment, which is a software layer that consists of JVM and other components. JVM stands for Java Virtual Machine, which is a software component that interprets and executes the bytecode of Java applications. Bytecode is a platform-independent code that can be generated from Java source code. JVM is responsible for making Java applications run on different operating systems by translating the bytecode into machine code.
How do I uninstall JRE from my computer?
To uninstall JRE from your computer, you can use the following methods:
How to Uninstall JRE from Windows
Go to Control Panel and click on "Programs and Features".
Find "Java 8 Update 311" or any other version of JRE that you have installed and click on "Uninstall".
Follow the instructions on the screen to complete the uninstallation.
How to Uninstall JRE from macOS
Go to Finder and click on "Applications".
Find "Java 8 Update 311" or any other version of JRE that you have installed and drag it to the Trash.
Empty the Trash to complete the uninstallation.
How to Uninstall JRE from Linux
Open the Terminal and type "sudo apt-get remove openjdk-8-jre" or "sudo yum remove java-1.8.0-openjdk" or "sudo zypper remove java-1_8_0-openjdk" depending on your Linux distribution.
Enter your password and press Enter.
Follow the instructions on the screen to complete the uninstallation.
How do I enable or disable JRE in my web browser?
To enable or disable JRE in your web browser, you can use the following methods:
How to Enable or Disable JRE in Chrome
Go to Chrome Settings and click on "Privacy and security".
Click on "Site settings" and then click on "JavaScript".
Toggle the switch next to "Blocked" or "Allowed" to enable or disable JRE in Chrome.
How to Enable or Disable JRE in Firefox
Go to Firefox Options and click on "Privacy & Security".
Scroll down to "Permissions" and click on "Settings" next to "Block pop-up windows".
Add or remove the sites that you want to allow or block JRE in Firefox.
How to Enable or Disable JRE in Safari
Go to Safari Preferences and click on "Security".
Check or uncheck the box next to "Enable JavaScript" to enable or disable JRE in Safari.
How do I troubleshoot JRE issues on my computer?
If you encounter any problems with JRE on your computer, you can use the following methods:
How to Troubleshoot JRE Issues on Windows
Make sure that you have the latest version of JRE installed and updated.
Make sure that you have the correct version of JRE for your Windows version (32-bit or 64-bit).
Make sure that you have the correct path and environment variables for JRE on your system.
Make sure that you have the proper permissions and security settings for JRE on your system.
Make sure that you have the compatible browser and plug-in settings for JRE on your system.
Try to run the Java application or applet in a different browser or with a different JRE version.
Try to clear the Java cache and temporary files on your system.
Try to disable any antivirus, firewall, or proxy software that might interfere with JRE on your system.
Try to troubleshoot the Java application or applet itself by checking the error messages, logs, or console output.
If none of the above methods work, you can contact Oracle support or visit their website for more help.
How to Troubleshoot JRE Issues on macOS
Make sure that you have the latest version of JRE installed and updated.
Make sure that you have the correct version of JRE for your macOS version.
Make sure that you have the correct path and environment variables for JRE on your system.
Make sure that you have the proper permissions and security settings for JRE on your system.
Make sure that you have the compatible browser and plug-in settings for JRE on your system.
Try to run the Java application or applet in a different browser or with a different JRE version.
Try to clear the Java cache and temporary files on your system.
Try to disable any antivirus, firewall, or proxy software that might interfere with JRE on your system.
Try to troubleshoot the Java application or applet itself by checking the error messages, logs, or console output.
If none of the above methods work, you can contact Oracle support or visit their website for more help.
How to Troubleshoot JRE Issues on Linux
Make sure that you have the latest version of JRE installed and updated.
Make sure that you have the correct version of JRE for your Linux distribution and architecture (Debian, RPM, or Tarball; 32-bit or 64-bit).
Make sure that you have the correct path and environment variables for JRE on your system.
Make sure that you have the proper permissions and security settings for JRE on your system.
Make sure that you have the compatible browser and plug-in settings for JRE on your system.
Try to run the Java application or applet in a different browser or with a different JRE version.
Try to clear the Java cache and temporary files on your system.
Try to disable any antivirus, firewall, or proxy software that might interfere with JRE on your system.
Try to troubleshoot the Java application or applet itself by checking the error messages, logs, or console output.
If none of the above methods work, you can contact Oracle support or visit their website for more help.
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