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 ...

You can add a new User Variable, System Variable, edit a Variable, etc. Learn how to use Environment Variable Editor in PowerToys in Windows 11.

Rapid Environment Editor is a powerful Environment Value or Variables Editor for Windows 11/10. Read review, download Rapid EE free. Portable available.

This environment variable lives on in Windows 10 as a way to tell the system where to look when you try to run a command. Normally, the system looks in the Windows folder and its System32 subfolder.

There are three simple ways to set JAVA_HOME in Windows. This tutorial shows you how to do it manually, from the command line and through the installer.