Set the JAVA_HOME variable via the command line
> Open Command Prompt (make sure you Run as administrator)
Click on start Button >> type ' cmd 'in search Box >> Press Right mouse button on cmd >>
In a pop-up select " Run as administrator "
> COPY THIS COMMAND & SET YOUR JDK INSTALLED PATH IN DOUBLE QUOTES (" ") :
setx -m JAVA_HOME "C:\Progra~1\Java\jdk1.8.0_XX"
NOTE: If the path contains spaces, use the shortened path name.
> Restart Command Prompt to reload the environment variables
then use the following command to check the its been added correctly.
echo %JAVA_HOME%
> You should see the path to your JDK (or JRE) installation.