Parallels Desktop for Mac interface localization
You can choose which interface language Parallels Desktop for Mac will use.
The Parallels Desktop for Mac installation image is multilingual and installs the product in all its supported languages.
The language of the Parallels Desktop for Mac interface can be changed by simply changing the language of the Mac OS X.
To set which language the Parallels Desktop interface uses, please:
Quit Parallels Desktop.
Choose Apple menu > System Preferences, click Language & Text, and then click Language.
Choose your primary language:
In OS X 10.8 and earlier:
Drag the language you want to the top of the list. If you don't see the language you want to use in the list, click Edit List.
In OS X 10.9
Click on button, then choose your preferred language from the list.
Choose which language is going to be the primary
Rearrange languages if necessary by dragging the preferred one to the top of the list.
NOTE: If the primary language you selected isn't supported by Parallels Desktop, Parallels Desktop interface will appear in the first language in the list that Parallels Desktop supports.
Open Parallels Desktop.