It is available via download in either Windows or Macintosh versions. The content is from Random House so you can be confident that you are getting an excellent product. Once you find the translation you need, you can easily copy it and paste it into your document and continue writing. The program is less than 2 MB in size so it easily fits on your hard drive. No need to go to a remote web site or hunt for a CD to look up a word.
Translations are very comprehensive and often include examples of usage and idiomatic expressions.
You can have the menu bar, menu items, on-screen prompts and help displayed in either language. This makes it of great benefit to both Portuguese speaking learners of English and English speaking learners of Portuguese. There are several reference tables that include commonly used phrases, irregular verbs, food terms, signs, numbers, days of the week, months, weights and measures and more. No, this program is not a document translator. It is a single word translator.