Restrict Language Pack and Language Feature Installation
Supported on: At least Windows Server 2016, Windows 10
Registry
Software\Policies\Microsoft\Control Panel\International Value name: RestrictLanguagePacksAndFeaturesInstall
Enabled: RestrictLanguagePacksAndFeaturesInstall = 1
Disabled: RestrictLanguagePacksAndFeaturesInstall = 0
Description
This policy setting restricts all users from installing language packs and language features on demand packages. This policy does not restrict switching the Windows language, if you want to restrict the Windows language use the following policy: "Restricts the UI languages Windows uses for all logged users." If you enable this policy setting, the installation of language packs and language features is prevented for all users. If you disable or do not configure this policy setting, there is no language packs or feature installation restriction for any user.