In the upper-right corner of the screen, click the Settings icon.
Select Internet options from the drop-down menu that appears.
In the window that opens, under the General tab, click the Languages button.
In the Language Preference window, click the Set Language Preferences button.
In the Language window that appears near the middle, click Add a language.
Select a new language from the Add languages window, then click the Add button.
When you're taken back to the Languages window. Click your new language. When it turns blue, click options on the right side.
Select Download and install language pack.
Click Options again and then select Make this the primary language.
Log out and back into Windows or restart your computer to display the new language in Internet Explorer.