It costs around €30 to upgrade from Freelance to Freelance Plus. To answer another question I believe you asked, you can have two different operating systems as the license is not dependent on the environment. You can find more on supported environments here:
Find out why Déjà Vu is today the most flexible, customizable and user-friendly tool on the market.
See the brand new features in action:
*Completely redesigned user interface
*Inline spell checking
Translation Office 3000 is an advanced accounting tool for freelance translators and small agencies. TO3000 easily and seamlessly integrates with the business life of professional freelance translators.