How to find my product key for my computer?

Original title: product key.

How to find my product key for my computer?   In addition, a box keeps telling me that my Windows and not authentic. What does that mean?

Thank you... Peggy

Discussions were merged.

Deleted duplicate.

If your computer is pre-installed with Windows 7:

COA certificate of authenticity:

http://www.Microsoft.com/howtotell/content.aspx?PG=COA

??

What is the certificate of authenticity for Windows?

http://Windows.Microsoft.com/en-us/Windows7/what-is-the-Windows-certificate-of-authenticity

If store bought his license:

You can find your Windows product key on the label supplied with the package provided with your copy of Windows. The label can also be on your computer case. Activation of the pairs with your computer, your product key.

If it's a digital download, check your email.

Tags: Windows

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