Purchase and activate a qualifying Office 2007 product between March 5, 2010, and September 30, 2010, and you can download Office 2010 at no additional cost.
Despite earlier posting of these details on the Microsoft Partner Program and the subsequent removal of the offer, here is the official announcement.
http://office2010.microsoft.com/en-us/tech-guarantee/
Here is how Microsoft explains the steps:
Buy Office 2007
Purchase a qualifying Office 2007 product (with or without a new PC) from an authorized reseller between March 5, 2010 and September 30, 2010. See the eligibility requirements for more information.
Save your Office 2007 dated sales receipt and keep your Product Key in a safe place.
Below are some of the Office 2007 products that qualify for the Technology Guarantee.
- Office Home and Student 2007
- Office Small Business 2007
- Office Professional 2007
- Office Publisher 2007
See full list of Office 2007 qualifying products.
Install and activate Office 2007
Install and activate your qualifying Office 2007 product by September 30, 2010.
Your activated Office 2007 25-character Product Key is required to redeem your Technology Guarantee Office 2010 upgrade. You will also need to provide your Product ID.
Upgrade to Office 2010
When Office 2010 is available in your country or region and language, return to this site to request your upgrade no later than October 31, 2010. You will have the choice to download Office 2010 at no additional cost, or purchase a DVD. You must meet all eligibility requirements to receive your Technology Guarantee upgrade.
See the Microsoft site for full details on qualifications and disclaimer.
