If the Office Home and Student 2013 RT language changed to English after you restarted Windows RT, follow these steps to change the language back:
- From the Windows Start screen, type compmgmt.msc.
- Tap or click compmgmt.msc on the left to open the Computer Management window.
- Under System Tools on the left, browse to the MUI folder (open Task Scheduler > Microsoft > Windows > MUI).
- Tap and hold or right-click LPRemove and choose Run from the list.
- Wait a few minutes, and then start Office Home and Student 2013 RT. It should now be in the original language.