Nowadays, for professional reasons, it is very interesting to learn Japanese, even if little by little. And a good method to start learning that language is to use this program called Kotoba. Specifically, this Kotoba version is designed for Portuguese users, as it allows you to translate texts from Portuguese to Japanese, and vice versa.
Apart from the translation work, Kotoba Portuguese has a practical dictionary of terms, as well as an extensive glossary. You can perform, in its interface, all kinds of queries, and you can even, when you are more advanced, get to perform more complex searches.
For the correct operation of Kotoba Portuguese you need to have previously installed Java Runtime Environment.
You can free download Kotoba Portuguese 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.