- Open the Control Panel.


- Click the "View by" menu and select "Large icons" or "Small icons". This will allow you to quickly access any Control Panel option.

- Select Windows Update. You can use the Windows Update tool to download any of the available language packs.

- Click the "# optional updates are available" link. If the link is not there, click "Check for updates". 

- Check the box for the language you want to download. After selecting the language, click Ok.
- Click the Install Updates .You may be prompted by UAC to continue, and you may be asked to input the administrator password.
  • It may take a few minutes for the language pack to download.

- Return to the Control Panel and select "Region and Language". Select the Keyboards and Language tab.

- Select the language you just installed from the "Choose a display language" drop-down menu. All of your installed languages will be listed here

- Click .Apply and then Log off now to log out. Your changes will be applied when you log back into Windows.  

 - Change your system locale if the language is not displaying in some programs. Some programs may not display your new language until you change your system locale settings to match that region.

    Open the Control Panel and select "Region and Language".
    Click the Administrative tab and click Change system locale.
    Select the language you've just installed and click OK. You'll be prompted to restart your computer.