Everything you need - just open one of the national language file and
write sentences on you own language.
See below detailed instruction:
1. Download USB safely Remove here:
http://safelyremove.com/usbsafelyremovesetup.exe
2. Install it and go to the program folder - %Program Files%\USB Safely
Remove; here you'll see Languages folder, go into there.
3. In Languages folder choose one of the language files - i.e.
English.lng, rename it to Chinese.lng
4. Open Chinese.lng file in editor and translate all the strings.
They have next format: english_phrase=native_phrase. You have to
delete a text after '=' sign and write Chinese text here.
5. After you have translated all the strings, restart program, and go
to the program Options -> General tab and choose Chinese language.
6. Play with program, check that all strings are translated.
7. Send us Chinese.lng