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Certificate of Authenticity label
The Certificate of Authenticity label is provided on models that are licensed to use a Windows 7 operating
system. The licensed Windows version and product key associated with the computer are printed on
this label. Record this information and keep it in a safe place. You might need these numbers to start
your computer or reinstall the Windows 7 operating system. Depending on the model, the Certificate of
Authenticity label can be on the computer cover, under the battery, or on the power adapter.
For more information about the Certificate of Authenticity label, go to:
http://www.microsoft.com/en-us/howtotell/Hardware.aspx
The following illustration shows the location of the Certificate of Authenticity label.
Genuine Microsoft label
The Genuine Microsoft label is provided on the following:
• Some computer models, based on geographic location, that are licensed to use the Windows 8.1
operating system
• All computer models that are licensed to use the Windows 8.1 Pro operating system
The version of the operating system is printed on the label. Lenovo computers that are licensed for use with
the Windows 8.1 operating system are shipped with the Windows 8.1 license key digitally encoded into the
computer hardware. If your computer model is licensed to use the Windows 8.1 Pro operating system, that
license contains downgrade rights which permit you to use the Windows 7 Professional operating system in
place of the Windows 8.1 Pro operating system if you prefer.
For more information about the Genuine Microsoft label, go to:
http://www.microsoft.com/en-us/howtotell/Hardware.aspx
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