Windows Registry Editor Version 5.00
 
[HKEY_USERS\.DEFAULT\Keyboard Layout\Preload]
"1"="00000409";EN
"2"="00000419";RU
 
;Disallow copying of user input methods to the system account for sign in
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Control Panel\International]
"BlockUserInputMethodsForSignIn"=dword:00000001