To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.
To clear the Java cache, open the Java control panel, which you can find in the Windows Control Panel or in System Preferences on a Mac.
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 ...