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.

On Windows 11, you can use PowerToys to view, add, edit, and delete environment variables, and in this guide, I'll show you how.

If Java is not recognized as internal or external command, you need to make sure that the installation is not problematic and its path is recognized as system variables.