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 the user from installing language packs and language features on demand. 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 should use for the selected user." If you enable this policy setting, the installation of language packs and language features is prevented for the user. If you disable or do not configure this policy setting, there is no language packs or language features installation restriction for the user.