Hello,
You can download the installation file of Parallels Desktop 7 software on our website: http://www.parallels.com/de/products/desktop?icid=1480
Download the trial version and activate it with your new key.
As for the localization, the Parallels Desktop 7 for Mac installation image is multilingual and installs the product in all of its supported languages. You can change the language by simply changing the language of the Mac OS X.
For instructions please refer to the KB article:
http://kb.parallels.com/111830
It is also available in German:
http://kb.parallels.com/de/111830
Last edited: Oct 29, 2011