System - Environment - Delete variable removes an environment variable for a process, user or local machine.

 

 

Variable name

The name of an exiting variable contained in the selected scope.

 

Variable scope

Select Process, User or Machine variable scope. These variable scopes refers, more or less, to Windows 10 Process, User and System variables. The Windows process variables consist of Windows User and System variables.

 

The Windows 10 User environment variables are stored in the registry key below:

HKEY_CURRENT_USER\Environment

 

The Windows 10 System environment variables are stored in the registry key below:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment