Create a new System Variable named JAVA_HOME pointing to your Java 9 folder. Edit the Path variable and add %JAVA_HOME%\bin . Verifying Your Installation
: 64-bit versions allow the JVM to access significantly more RAM than 32-bit versions.
Java 9 introduced the Module System (Project Jigsaw), which fundamentally changed how the Java platform is structured. One of the most critical changes for end-users was the move away from the traditional standalone JRE. Starting with Java 9, Oracle and the OpenJDK community began emphasizing the Java Development Kit (JDK) as the primary vehicle for both development and execution. Why You Might Need Java 9 64-Bit