HIde Account at Windows Login Screen

The following steps can hide user account in Windows login screen:

1. Go to HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList\, if key not exists, create them.
2. Add DWORD registry
3. Set name = User account name (e.g. demouser)
4. Set value = 0

Done.