How to change the product key in Office 2010

Go to your application settings (Windows 7: Start > Control Panel > Uninstall a program; Windows 10: Start > Settings > Apps). Locate Office 2010 on the list, highlight it and select “Change” or “Modify”.

From the list select “Enter a product key” and click “Continue”.

Now enter your product key.

Press “Continue” to install the product key.

Wait for the configuration to complete.

The product key was installed successfully. Close this window, open any part of the Office suite and proceed to activation.