It supports Simplified Chinese, Traditional Chinese,English, Dutch, Russian, German, Japanese, French, Spanish, Italian, Danish, Portuguese.
You can click top Settings>Preference(for Win)/ Leawo Prof. DRM>Preferences(for Mac)>common>Language to select the new language of the program and click OK to save the change.
This FAQ is about: Frequently Asked Questions, TunesCopy, TunesCopy for Mac