Verify microsoft windows product key

Thanks for your feedback. Vendors only provide one Product Key for Office. Did the shop use the email address and password for your Microsoft Account to setup your Office ? I purchased a computer with 3 x 1 year Office , and there are 3 separate product keys. One was installed already by the shop. Is there a way of checking if a product key has already been used? Cancel Submit. Horace Wiggins. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site.

CarlosTituana1 Independent Advisor. Hi MrMBM! I hope this can help Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP Potentially Unwanted Products.

Thoroughly research any product advertised on the site before you decide to download and install it Best Regards. That email address MSA will contain the digital license. You can use the digital license for activation. Your product key is available through the web portal for your program. For more information, see Volume Activation for Windows A product key is usually required when uninstalling or reinstalling Windows 7 or Windows 8.

Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. To ensure your product key is genuine, see How to tell your software is genuine and How to tell your hardware is genuine.

For info about how to tell if your copy of Windows is genuine Microsoft software, see the How to tell page. For more Windows 11 download info, see Download Windows For more Windows 10 download info, see Download Windows If you need installation media to install or reinstall Windows, see Create installation media for Windows to learn how to create your own installation media using either a USB flash drive or a DVD.

If you need more help with activation, see Activate Windows. It's a good way to judge whether your Windows is genuine or not. According to Microsoft, after you bought a copy of Windows, the corresponding product key will be kept on a label or card inside the box.

But what is a Windows product key indeed? Free Download.