Shortcut to settings

• Edit environment variable window

  rundll32.exe sysdm.cpl,EditEnvironmentVariables
  

• Device management: devmgmt.msc

Reference

Create Environment Variables Shortcut in Windows 10
https://winaero.com/create-environment-variables-shortcut-windows-10/

Windows 10 Rundll32 Commands – the complete list
https://winaero.com/windows-10-rundll32-command-list/