Example for US English: 00000409 (not a GUID, but a locale ID—older format still works).
Find GUIDs under:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layouts Each layout’s folder has a Layout Text name. The folder name itself is the GUID. Example for US English: 00000409 (not a GUID,
When you open a new app (like Settings, Run dialog, or a UWP app), Windows asks: Which keyboard layout should I start with? Without an override, it guesses based on your system language or the last used layout globally—leading to chaos. Navigate to: Settings > Time & Language > Typing > Advanced keyboard settings You’ll see a dropdown labeled: Override for default input method Here’s the technical truth: This setting defines the input method loaded before any application starts and for non-interactive Windows components . or a UWP app)