this is a common issue with MS office packages which gets installed online or purchased online
'you can get a new serail number of the product key online.
all you have to do is call up microsoft and they will give you the product key online over the phone after verifying the purchase details.
contact the Microsoft Customer Service Center call this number:1-800-MICROSOFT (1-800-642-7676)When you contact the Customer Service Center please have the following items available to provide to the Customer Service Representative:The Office 2010 installation disc (DVD) Applicable on media purchase.The readable parts of your original product key (if available) IMPORTANT:If you do not have these items the customer service agent will not be able to assist in providing a replacement product key.
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I downloaded it online so there is no installation disk/dvd. All I have is the new product key I received yesterday that is not working.