When you first run PhotoWatermark Professional, it will try to load the language that matches your system default if available. Otherwise, the default language English will be used.
PhotoWatermark Professional uses a technology that allows customization of the language interface by the end user. Almost all menu text, hints and most messages can be customized to fit your needs. All you need to do is to go to Options/Language menu and see if there is a language that matches your system default. If there is one, you can click Edit current language to change the current language and if not, there will be a menu called Translate into x (where x is replaced by the name of your system default language).
The only official language is English. All other languages are contributed by users and may not be complete. If you do not like the translation or find a language is not complete, you are encouraged to complete it. In this case, we could appreciate your sending the completed language file back so that more people can share it. However, this is totally voluntary. The only compensation will be a complimentary one-year license issued to you if you do not have subscription yet.