i neeed to know the product key microsoft office 2010 my  laptop HP Pavilion 

Hi,

I think this will be helpful for you to find the product key:

Find your Office 2010 product key

If the steps mentioned in the link don't help, please consider:

1. Contact the retailer of the product.

2. Contact the customer service to ask for further assistance.

Regards,

Melon Chen
TechNet Community Su