Environment variables are name-value pairs for various programs or processes on an operating system. On Windows, the environment variables store all sorts of information about the operating system ...

JAVA_HOME is an operating system (OS) environment variable which can optionally be set after either the Java Development Kit (JDK) or the Java Runtime Environment (JRE) is installed. The JAVA_HOME ...

You can now manage environment variables with a modern interface on Windows 11 using PowerToys. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.