How to check which version of Java you have installed in Windows 10, in 2 steps

To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.
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Java is not recognized as internal or external command

There are various instances of this issue that we get such as JAVAC’, JRE, ‘MVN’, JAR’ is not recognized as an internal or external command, operable program or batch file, ‘Java’ is not recognized as ...