MS Office isn't free.
But LibreOffice (from http://www.libreoffice.org/) is free and very compatible.
Kees
Where can I download for free a good version of the MS Office, preferably MS Office 2011, but an earlier version would be fine as long as its free?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic