To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.

Java Update. Download the latest version of Java for Windows. Check if you have Java installed. See if it is working fine. Check the version of JRE your browser is running.

Learn how to download, install, delete, update, uninstall Java and to view & manage Java Runtime, Runtime Environment, JRE Settings, Java Cache in Windows.