To enter or change a product key for Microsoft Office 2010, you can use the built-in "Backstage View" in any Office application or use the Windows Control Panel.
Q: What if I lose my product key? A: Try checking your email, packaging, or Microsoft account for a record of your product key. enter your product key microsoft office 2010
Not everyone has an always-on internet connection. If you are activating a machine offline, follow these steps: To enter or change a product key for
How to find product key for Microsoft Office already installed enter your product key microsoft office 2010