If you see a website offering a simple one-click “Windows 11 language pack offline installer” – treat it as suspicious. Legitimate offline deployment requires volume licensing, MSDN, or manually extracting from Microsoft’s own update files.
Example search term: "Windows 11 23H2 Language Pack" → Look for .cab files with names like Microsoft-Windows-Client-LanguagePack-Package~... Using DISM (recommended) dism /online /Add-Package /PackagePath:"C:\LPs\languagepack.cab" Then set display language: Windows 11 Language Pack Download Offline