Environment variables are not often seen directly when using Windows. However there are cases, especially when using the command line, that setting and updating environment variables is a necessity. In this series we will talk about the various approaches we can take to set them. In this post we use the System control panel to interface with the environment variables.

There are three ways of setting environment variables in Windows. You can do it in the GUI, through the System Control Panel; you can do it on the command line; or you can do it in the registry.

Parts in this series