install Win 7 and change key later

[belikexp]

Can I install Win 7 on a laptop (product key is already used) and go buy another copy of Win 7 and change the product key to the new product key?

 

[Brink]

Hello BelikeXP,

Yes, as long as it was the same type (OEM vs Retail) and edition of Windows 7.

http://www.sevenforums.com/tutorials/18630-product-key-number-change.html

Hope this helps,
Shawn