If you want to download and install Java JDK 18 on Windows 11/10 computer, you will also have to set up a Path in Environment Variable.

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.

You can check which Java version is on your Mac to see if you have the most up-to-date Java running, or you can check on the Java website.