Java for Windows Server 2019: Everything You Need to Know

How to Download Java for Windows Server 2019

Java is one of the most popular and widely used programming languages in the world. It powers millions of applications on different devices and platforms, from desktops and laptops to smartphones and servers. If you want to run some web applications or use some software development tools on your Windows Server 2019, you may need to install Java on your system. In this article, we will show you how to check if you have Java installed, how to download and install the latest Java version, and how to configure and update Java on your Windows Server 2019.

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What is Java and why do you need it?

Before we dive into the installation process, let's first understand what Java is and why you may need it on your Windows Server 2019.

Java is a programming language and a platform

Java is both a programming language and a platform. As a programming language, Java allows developers to write code that can run on any device or platform that supports Java. As a platform, Java provides a set of libraries and tools that enable developers to create and run applications that use Java.

Java enables you to run applications on different devices and platforms

One of the main advantages of Java is its portability. This means that you can write a Java application once and run it on any device or platform that has a Java Runtime Environment (JRE) installed. The JRE is a software component that provides the basic functionality for running Java applications. It includes a Java Virtual Machine (JVM), which is responsible for executing the Java code, and a set of core libraries, which provide common features and functions for the applications.

Java is required for some web applications and software development tools

Another reason why you may need Java on your Windows Server 2019 is that some web applications and software development tools require it. For example, some websites use applets, which are small programs written in Java that run inside your browser. To view these websites, you need to have a browser plugin that supports Java. Similarly, some software development tools, such as Eclipse, NetBeans, or IntelliJ IDEA, use Java as their base language or framework. To use these tools, you need to have a JDK (Java Development Kit) installed. The JDK is a software package that contains everything you need to develop and run Java applications. It includes a JRE, a compiler, a debugger, and other tools.

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How to check if you have Java installed on your Windows Server 2019

Before you download and install the latest Java version for your Windows Server 2019, you may want to check if you already have it installed on your system. There are several ways to do this:

Use the command prompt to verify the Java version

One way to check if you have Java installed is to use the command prompt. To do this, - Open the command prompt by pressing Windows + R keys and typing cmd in the Run box. - Type java -version and press Enter. This will display the Java version, if any, installed on your system. For example, you may see something like this: java version "1.8.0_291" Java(TM) SE Runtime Environment (build 1.8.0_291-b10) Java HotSpot(TM) 64-Bit Server VM (build 25.291-b10, mixed mode) - If you see a message like "java is not recognized as an internal or external command", it means that you do not have Java installed or it is not added to your system path. Use the Control Panel to view the Java settings

Another way to check if you have Java installed is to use the Control Panel. To do this, - Open the Control Panel by clicking the Start button and typing Control Panel in the search box. - Click on Programs and then click on Java. This will open the Java Control Panel, which allows you to configure and manage your Java settings. - In the Java Control Panel, click on the About button in the General tab. This will display a window that shows the Java version, if any, installed on your system. For example, you may see something like this: Java(TM) Platform Standard Edition Version 8 Update 291 Build 1.8.0_291-b10 - If you do not see the Java Control Panel or the About button, it means that you do not have Java installed or it is not enabled on your system. Use the browser to test the Java plugin

A third way to check if you have Java installed is to use your browser. To do this, - Open your browser and go to This is a web page that tests if your browser has the Java plugin enabled and if it is up to date. - Click on the Agree and Continue button to allow the web page to run a Java applet. This will display a message that shows the Java version, if any, detected by your browser. For example, you may see something like this: Congratulations! You have the recommended Java installed (Version 8 Update 291). - If you see a message like "No working Java was detected on your system" or "Your Java version is out of date", it means that you do not have Java installed or it is not enabled or updated on your browser. How to download and install the latest Java version for Windows Server 2019

If you have verified that you do not have Java installed on your Windows Server 2019 or that you have an outdated version, you may want to download and install the latest Java version for your system. Here are the steps to do this:

Choose the right Java edition for your needs

The first thing you need to do is to choose the right Java edition for your needs. There are three main editions of Java: SE, EE, and ME.

Java SE (Standard Edition)

Java SE is the most common edition of Java. It provides the core functionality for running Java applications on desktops, servers, and embedded devices. It includes a JRE and a JDK, as well as some additional tools and libraries for developing and debugging applications. If you want to run some web applications or use some software development tools on your Windows Server 2019, you may need to install Java SE.

Java EE (Enterprise Edition)

Java EE is an extension of Java SE that provides additional features and libraries for developing and running enterprise applications, such as web services, distributed systems, and cloud computing. It includes a JRE and a JDK, as well as some application servers, frameworks, and APIs for creating and deploying applications. If you want to create or host some complex web applications or services on your Windows Server 2019, you may need to install Java EE.

Java ME (Micro Edition)

Java ME is a subset of Java SE that provides a minimal functionality for running Java applications on resource-constrained devices, such as mobile phones, smart watches, and IoT devices. It includes a JRE and a JDK, as well as some profiles and configurations for optimizing applications for different devices. If you want to develop or run some lightweight applications on your Windows Server 2019, you may need to install Java ME.

Download the Java installer from the official website

Once you have decided which edition of Java you need, you can download the installer from the official website. To do this, - Go to if you want to download Java SE. - Go to - Go to if you want to download Java EE. - Go to if you want to download Java ME. - Choose the version and t