Choose another language: Comment traduire ultracopier dans votre langue ou la corrigé
Location in guide -> root -> Usage -> How translate in your language or correct it

Step 1, download the package and Qt linguist

If you are under windows or mac, Qt linguist is included in the package:
http://files.first-world.info/ultracopier/0.2.0.15/ultracopier-translation-0.2.0.15.rar
For the other Os, download Qt, and Qt Linguist is included in.

Step 2, Open the correct file and translate it

Now, open empty.ts for new language or your language with Qt Linguist (.exe included into the package for windows, or else included in Qt previously installed).
Translate it... (the most long part) and save it

Step 3, Send my your translation

Now send me your .ts via email or other way, see the contact site part.