Type the following command and press : dism /Online /Add-Package /PackagePath:C:\lp.cab
Press Win + X and select Command Prompt (Admin) . windows 8.1 language pack offline install
Transfer the .cab file via USB drive, network share, or DVD. Type the following command and press : dism
: You must be logged in as an administrator to modify system languages. windows 8.1 language pack offline install