1. Click International in the Personal section of System Preferences from the Apple on your menubar, as shown:
2. Click the checkbox by the input method you wish from the Input Menu tab, as shown:
3. Select other input options, if desired, as shown in step 2.
4. Open the application (that supports this language) for your other-language writing.From Get Info, you can see what languages your application supports, under Languages, as shown:
5. Click Input in the menubar, choose your preferred input method, and type.