Or in a confirmation e?mail if you purchased and downloaded Windows 7 online.
Windows package have same type of location. Note: It is a demonstration of Office package. To verify your product key, look for the product key sticker on your computer: For help with the activation process, go to the Microsoft Support website. To activate Windows 7, you’ll need to install your previous version of Windows, and then reinstall Windows 7. If you formatted the drive before starting the installation process, you won’t be able to use the upgrade product key to activate Windows 7. To install an upgrade version of Windows 7, Windows Vista or Windows XP must be installed on your computer.
Check the product key to make sure it is for the version that you are trying to activate. You might be using a product key that doesn’t match the version of Windows 7 that’s installed on your computer.
If you receive an error indicating that your product key is not valid when installing Windows 7, it could be for the following reasons:
