Set application locale
Supported on: Microsoft Edge version 77, Windows 7 or later
Registry
HKLM
Software\Policies\Microsoft\Edge\Recommended HKCU
Software\Policies\Microsoft\Edge\Recommended Options
ApplicationLocaleValue text Description
Configures the application locale in Microsoft Edge and prevents users from changing the locale. If you enable this policy, Microsoft Edge uses the specified locale. If the configured locale isn't supported, 'en-US' is used instead. If you disable or don't configure this setting, Microsoft Edge uses either the user-specified preferred locale (if configured) or the fallback locale 'en-US'. Example value: en