Due to a system error, Microsoft released a number of non-functioning product keys with Office 2008 discs.  If you purchased the media at the UI Bookstore and are receiving an "invalid product key error" when you attempt to install the software, contact Microsoft Standard Support by telephone as noted here: http://www.microsoft.com/mac/help-invalid-key-error.htm.

Article number: 
1673
Last updated: 
September 10, 2012