Create a new folder on your device to store the language pack files. For example, you can create a folder named LanguagePack in the C:\ drive.
Navigate to the folder where you copied the language pack files using the Command Prompt. For example: Microsoft Windows 10 Language Pack Offline Install -Extra
Copy the downloaded language pack files ( .cab files) to the new folder you created. Create a new folder on your device to
cd C:\LanguagePack
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: For example: Copy the downloaded language pack files (
Download the language pack files ( .cab files) for the extra language you want to add.
Use the DISM tool to install the extra language pack. The command is the same as before: