LibreOffice is a powerful and professionel office suite, that can be downladed and installed for free. There is a large bas of satisfied LibreOffice-users world-wide, and the suite is available in more than 100 languages and for all major operating systems, like Microsoft Windows, Mac OS X and GNU / Linux.
Linux Mint is one of the most popular desktop Linux distributions and used by millions of people.
It is one of the best alternatives to Microsoft Windows and Apple MacOS.