Microsoft Windows 10 Language Pack Offline Install -extra !!exclusive!! -
Replace <path to language pack file> with the actual path to the language pack file ( .cab file). For example:
For Windows 10 version 1809 and newer, Microsoft also uses .appx based Local Experience Packs. If using these, they must be installed via PowerShell using the Add-AppxProvisionedPackage command. Microsoft Windows 10 Language Pack Offline Install -Extra