By default, your Mac’s language is set to the country’s language where you bought your Mac. For instance, if you purchased your Mac in the USA, your Mac language is set to English. However, you may easily change this:
System Preferences > Language & Text > Language
Then find the language that you want to set your Mac to. You need to restart your Mac to apply this change.
Related:
- How to Set Up PPPOE on A New Mac
- How to open Mac’s .pages file format on Microsoft Windows
- Getting Your Mac Apps on More Than One Mac