1. You need to download the Java Development Kit ( JDK ) from Oracle website.    http://www.oracle.com/technetwork/java/javase/downloads/index.html 2. Double click on the downloaded file [jdk-7-windows-i586.exe]   3. Click : Start -> right click on Computer -> click on Properties   4. Click on Advanced system settings 5. Click on Environment Variables 6. Choose ...Read More