Are you try with Office 2010 and got questions that needs to be answered like the following:

* Is the Microsoft Office 2010 Technical Preview available in my language?
* Even though the Microsoft Office 2010 Technical Preview is not available in my language, can I still input text and edit files using my language?
* Where can I find more information about Microsoft Office 2010 proofing tools?

you can find answers for the above and more on the Office International blog post