You don't really expect to get commercial software for free, do you? I'm afraid it doesn't work like that.
Try Libre Office.
Thanks for discouraging piracy! It is not only unfair to the developers, but it takes a huge toll on our economy. Take it one step further and spread the word that people can help curb this issue by reporting corporate software piracy to the BSA: http://nopiracy.net/ZCB0LL.