Add-WindowsPackage -Online -PackagePath "C:\temp\microsoftwindowsclientlanguagepackx64enuscab.cab" Set-WinUILanguageOverride -Language "en-US" Set-WinSystemLocale -SystemLocale "en-US" Set-WinUserLanguageList "en-US" -Force Restart-Computer
microsoftwindowsclientlanguagepackx64enus.cab is a containing the US English language pack for a 64-bit (x64) version of Windows Client (e.g., Windows 10/11 Pro, Enterprise, or Education). microsoftwindowsclientlanguagepackx64enuscab
At its core, this is a for 64-bit (x64) architectures, specifically for English (United States) , packaged as a Cabinet (.cab) file . Windows 10/11 Pro