If you are a student, with a valid .edu email address visit http://office.microsoft.com/en-us/office-in-education-FX104367920.aspx and claim your free version of Office for PC or Mac.
Teacher friends: good news, it’s coming for you too in December!
Read more on the promotion from Microsoft: http://blogs.office.com/2014/09/22/students-teachers-may-eligible-get-office-free/