The Java Runtime Environment (JRE) is what you get when you download Java software. Java technology allows you to work and play in a secure computing environment.

If you want to download and install Java JDK 18 on Windows 11/10 computer, you will also have to set up a Path in Environment Variable.

Click on the major version you want to download from the "Java SE" list. For example, choose "Java SE 6" if you want to download any version number ranging from Java 6.0 to Java 6.43.

Problems with Oracle's Java 7 runtime may require OS X users to switch back to Java 6, but currently there is no direct means of doing so.