Setting environment variables can be done at the command prompt level—which is temporary whilst that prompt is open—or at the user/system level, which is permanent until removed.
To set an environment variable at the command prompt use the 'set' command and then perform any CLI commands in the same session. For example:
For the GUI you can either launch the GUI from a command prompt, after setting the environment variable. For example:
Alternatively, the environment variables can be set at a user or system level and will always be available, then there is no further need to manually set them before analysis. For more information on setting environment variables in Windows, refer to https://www.onmsft.com/how-to/how-to-set-an-environment-variable-in-windows-10