Windows Explorer: Right Click "Open in Terminal"
[HKEY_CLASSES_ROOT\Directory\shell\CommandPrompt]
@="Open in Terminal"
[HKEY_CLASSES_ROOT\Directory\shell\CommandPrompt\Command]
@="cmd.exe /k cd %1"
Reference
Update
[HKEY_CLASSES_ROOT\Directory\shell\CommandPrompt]
@="Open in Terminal"
[HKEY_CLASSES_ROOT\Directory\shell\CommandPrompt\Command]
@="cmd.exe /k cd %1"