Learn how to enable the Java Runtime Environment (JRE) through your Web browser.

The Java content in the browser is disabled in the Java Control Panel. If Java is already installed but applets do not work, you may need to check and see if Java is enabled.,

When you install Oracle Java on your Windows, Java will be enabled by default. If you are running a Java application in the browser, you will need to also check that Java is enabled in your browser.

If you try to run a Java applet using a Java plug-in version that is identified as vulnerable, Firefox will prevent the applet from automatically loading and alert you that the plug-in is vulnerable. If an update …

The installation of Java (also known as the Java Runtime Environment or JRE) is a simple process on Windows, Mac, Linux or Solaris. Use these instructions to install Java software on your desktop.

To enable Java Update to automatically check for updates, select the Check for Updates Automatically check box. To disable Java Update, deselect the Check for Updates Automatically check box.

Oct 21, 2025 · This download is for end users who need Java for running applications on desktops or laptops. Java 8 integrates with your operating system to run separately installed Java applications.

However, it is always a good idea to use the latest version of Java to ensure you have the latest security fixes and enhancements. If your browser is not using the latest version you have installed, you will …

Every time you start the application, the Java Web Start software component checks the application's website to see if a new version is available, and if so, automatically downloads and launches it.

Starting Microsoft Edge version 77 or later, the user can configure the browser to run in IE mode thus enabling Java Plug-in to work. For consumer at home, follow instructions from the Microsoft support …