1) Double click the desktop shortcut "Regional and Language Options" to change the keyboard type:
Click "Change Keyboard" and then click "Add" to select the language you need to use:
Here is what you would see if you were adding Chinese (Traditional) - New ChangJie
NOTE: After adding the new input language, you will see the Language Bar icon appear in the bottom right of the screen:
Click on the "EN" and select your new input language. You may need to do this more than once, if you have programs already open.