If you need to change the Microsoft 2010 product key, e.g., to resolve an activation issue, after you have installed it, you can take the following steps to do so on a Windows 7 system:
- Click on the Windows Start button.
- Select Control Panel.
- Click on Programs.
- Click on Programs and Features.
- Right-click on Microsoft Office Professional 2010, or whatever the appropriate entry is for the version of Office installed on the system, and select Change.
- Select Enter a Product Key.
- Click on the Continue button.
- Enter the new product key.
- Click on the Continue button with "Attempt to automatically activate my product online" checked.
- Click on the Continue button.
- When the configuration process is completed, click on the Close button.
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