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.

Java is still being used. We tell you how to install Java and make sure that you have enabled the latest Java version on your Windows computer.

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 ...

Windows users can check for the program in the Add/Remove Programs listing in Windows, or visit Java.com and click the “Do I have Java?” link on the homepage.