To get free nnCron/nnBackup registration you need to translate following html-files into your native language and maintain them up to date:
You should maintain the news-forum, translated into your native language as well.
All the translators can register on our forum and join the Translators usergroup to be able to post messages to the Translators forum.
Please, contact us prior to start translating to make sure, that you are the only one, who translates these files into the language you selected. Feel free to report translation errors or suggestions to the maintainers.