How to Tell


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To find out if your Microsoft products are genuine, compare the anti-piracy features on your media and packaging to the features described below.

To view previous versions of a selected anti-piracy feature, click on "View Previous Versions" link below the anti-piracy feature image (where applicable).

Select your purchase method to view features:

Product Information

To purchase this product now or get more information, visit the Product Information Center.

Comparison Guides

Genuine Microsoft products contain piracy prevention features that can be checked with the help of the Windows Comparison Guide and the Office Comparison Guide.

Windows Comparison Guide

You can also compare the piracy protection features of genuine Microsoft Windows using the Windows Comparison Guide

Office Comparison Guide

You can also compare the piracy protection features of genuine Microsoft Office using the Office Comparison Guide.

Report Suspected Piracy

Think you may have received counterfeit software? Want to report suspected piracy?

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