How to install Java on your computer To run Java apps, open JAR files or compile some source code into bytecode you’ll need to install Java. To download and install Java on Windows, MacOS or Ubuntu, ...

This post explains how to install Java or check which version is running on your machine. Install on any OS, and learn about the JDK.

If you want to download Java 64-bit or 32-bit on your Windows 11 or Windows 10 computer then follow the method mentioned here.

Here are the three easiest ways to fix Java’s “not recognized as an internal or external command” error: Install or reinstall Java and the JDK on your computer Add Java’s bin directory to the computer ...