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1. Download the supported version of Java JDK. There are several vendors who source the supported JDK version as OpenJDK. Here are two is a suggested resourcesresource: 
2. Oracle OpenJDK
Adopt OpenJDK
. For more information about selecting an OpenJDK vendor click here. 
3. Download the supported JDK version.
   
4. When the download has finished, run the Java installer. At one point, you will be asked to choose a directory to install to. Make note of this directory for use later.
5. Check that the JAVA_HOME environment variable has been set correctly.
   1. Open the 'Start' menu, choose 'Run', type cmd in the 'Run' dialog box and click the 'OK' button.
   2. In the command prompt window, type echo %JAVA_HOME% and then press Enter.
   3. View the result:
   4. If a directory path is displayed that looks similar to one of the following examples, with the letters 'jdk' immediately preceding a series of version numbers, and this path matches the location where you installed the JDK in step 3, then your JDK has been successfully installed and your JAVA_HOME environment variable has been set correctly. ''Examples of typical JAVA_HOME environment variable values'':
      
      
      1. • • • • • • • • • C:\Program Files\Java\jdk11.0.2
                         • C:\Progra~1\Java\jdk11.0.2_9
                         • C:\Java\jdk11.0.2_9
                         • C:\jdk11.0.2
                           
                           
   5. If nothing is displayed or you do not see 'jdk' immediately followed by a series of version numbers (like one of the examples above), then you need to set the JAVA_HOME environment variable. Please follow these instructions to set your JAVA_HOME environment to the directory where you have just installed the JDK. By default, this directory is under C:\Program Files(x86)\Java for a 32 bit Windows System. You will find it under c:\Program Files on a 64 bit Windows system

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