Hi i have a problem to my ms office product key

If you cannot find your product key, you can obtain a new one. To obtain a new product key, contact Support. Find the Support telephone number for your area by running the Product Activation Wizard on your computer. 
How to access the Product Activation Wizard 2007 Microsoft Office

1. Click Start.
2. Point to All Programs.
3. Point to Microsoft Office.
4. Click any Office program.
5. As soon as the Office program starts, click the Office button.
6. Click program_name Options. (For example, click Word Options or Excel Options.)
7. Click Resources.
8. On the activate Microsoft Office line, click Activate.