Adding languages after adding Windows 8.1 Update
Use language pack updates to update language resources for Windows 8.1, Windows Server 2012 R2, Windows 8.1 Industry, Windows Preinstall Environment (WinPE), and Windows Recovery Environment (WinRE), after the Windows 8.1 Update (KB2919355) has been applied. Each language pack update will come with three versions, one for each processor architecture type.
