Windows 8

A Windows product key is a 25-character code used to lớn activate Windows. It looks like this:


Locate your sản phẩm key for Windows 10

Depending on how you got your copy of Windows 10, you"ll need either a 25-character hàng hóa key or a digital license lớn activate it. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation in Windows 10 that doesn"t require you to lớn enter a hàng hóa key. Without one of these, you won"t be able khổng lồ activate your device.

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Where to lớn find your hàng hóa key depends on how you got your copy of Windows.

Select any of the following khổng lồ see more information:

A new PC running Windows

The sản phẩm key is preinstalled on your PC, included with the packaging the PC came in, or included on the Certificate of Authenticity (COA) attached lớn the PC. For more info, contact your hardware manufacturer, và for pictures of authentic sản phẩm keys & COA labels, see How lớn tell your hardware is genuine.

A copy of Windows 10 from an authorized retailer

The sản phẩm key is on a label or card inside the box that Windows came in. For more info, tương tác the retailer that sold you Windows 10. How khổng lồ tell your software is genuine.

A digital copy of Windows 10 from an authorized retailer

Find your hàng hóa key in the confirmation email you received after buying Windows 10 or in a digital locker accessible through the retailer’s trang web.

A digital copy from a website

The sản phẩm key is in the confirmation gmail you received after buying your digital copy of Windows. only keeps a record of sản phẩm keys if you purchased from the online store. You can find out if you purchased from in your tài khoản Order history.

Free tăng cấp lớn Windows 10

If you upgraded to Windows 10 for không lấy phí from Windows 7 or Windows 8.1, you should have sầu a digital license instead of a hàng hóa key.

Windows 10 Store App

If you bought Windows 10 trang chủ, Professional, or Upgrade to Pro in the Windows 10 Store ứng dụng, you"ll receive sầu a digital license instead of a sản phẩm key. You can use the digital license for activation.

If your hàng hóa key is scratched, blurred, or otherwise unusable, contact the retailer who sold you the hàng hóa. If you aren"t able to get help from your retailer or have sầu already tried và couldn"t get a working key, Gọi

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For more information about digital licenses & product keys in Windows 10, see the “Methods of Activation” section in Activate Windows 10.

Locate your sản phẩm key for Windows 7 or Windows 8.1

A hàng hóa key is usually required when uninstalling or reinstalling Windows 7 or Windows 8.1. Generally, if you bought a physical copy of Windows, the hàng hóa key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the sản phẩm key should appear on a sticker on your device. If you’ve lost or can’t find the sản phẩm key, liên hệ the manufacturer. To ensure your product key is genuine, see How to lớn tell your software is genuine and How to tell your hardware is genuine.

Related links

Windows authenticity

For info about how to tell if your copy of Windows is genuine software, see the How to tell page.

Windows tải về & installation

For more Windows 10 tải về info, see Download Windows 10.

If you need installation media lớn install or reinstall Windows, see Create installation truyền thông for Windows to learn how khổng lồ create your own installation truyền thông media using either a USB flash drive or a DVD.

Windows activation

If you need more help with activation, see Activate Windows 10.

If you"re getting an activation error, see Get help with Windows activation errors.

If you’re reinstalling Windows 10, you might not need a Windows sản phẩm key. See Activation in Windows 10 for more info.

If you"re reinstalling Windows 10 due lớn a motherboard problem or some other hardware issue, see Reactivating Windows 10 after a hardware change. 

Other hàng hóa keys

If you"re looking for sản phẩm keys for Office, apps, games, and more, see Find your downloads and hàng hóa keys



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