Buy Office 2010 or 2011 now, and you'll get a free copy of Office 2013 later. Unveiled on Friday, Microsoft's Office Pre-Launch Offer is good for anyone who buys the current version of Office ...

The version available is the full Microsoft Office Professional Plus 2013 suite, which includes Word, PowerPoint, Excel, Outlook, OneNote, Access, Publisher, and Lync.

A new, free, ad-supported local version of Office changes all that, according to a report. ( Update: The ad-supported version is a test, a Microsoft representative said Monday afternoon.