Copy the downloaded language pack files ( .cab files) to the new folder you created.
Download the language pack files ( .cab files) for the extra language you want to add. Microsoft Windows 10 Language Pack Offline Install -Extra
After installing the language pack, you need to activate it. To do this, go to > Time & Language > Language > Preferred languages , and select the language you just installed. Copy the downloaded language pack files (
dism /online /add-package /packagepath:<path to language pack file>.cab Replace <path to language pack file> with the actual path to the language pack file ( .cab file). For example: go to >
Navigate to the folder where you copied the language pack files using the Command Prompt. For example: