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


Locate your product key for Windows 10 or Windows 11

Depending on how you got your copy of Windows 10 or Windows 11, you"ll need either a 25-character product key or a digital license to activate it. A digital license (called a digital entitlement in Windows 10, Version 1511) is a method of activation in Windows 10 and Windows 11 that doesn"t require you to lớn enter a sản phẩm key. Without one of these, you won"t be able to lớn activate your device.

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Where to find your sản phẩm 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 hàng hóa key is preinstalled on your PC, included with the packaging the PC came in, or included on the Certificate of Authentithành phố (COA) attached to the PC. For more info, contact your hardware manufacturer, & for pictures of authentic hàng hóa keys and COA labels, see How to tell your hardware is genuine.

A copy of Windows 10 or Windows 11 from an authorized retailer

The sản phẩm key is on a label or thẻ inside the box that Windows came in. For more info, liên hệ the retailer that sold you Windows 10 or Windows 11. How to lớn tell your software is genuine.

A digital copy of Windows 10 or Windows 11 from an authorized retailer

Find your sản phẩm key in the confirmation email you received after buying Windows 10 or Windows 11 in a digital locker accessible through the retailer’s trang web.

A digital copy from a csmaritimo-online.com website

The hàng hóa key is in the confirmation tin nhắn you received after buying your digital copy of Windows. csmaritimo-online.com only keeps a record of hàng hóa keys if you purchased from the csmaritimo-online.com online store. You can find out if you purchased from csmaritimo-online.com in your csmaritimo-online.com account Order history.

Free nâng cấp to Windows 10

If you upgraded khổng lồ Windows 10 for free from Windows 7 or Windows 8.1, you should have sầu a digital license instead of a hàng hóa key.

csmaritimo-online.com Store App

If you bought Windows 10 or Windows 11 Pro tăng cấp in the csmaritimo-online.com Store tiện ích, you"ll receive sầu a digital license instead of a hàng hóa key in the confirmation email that was sent lớn confirm the purchase. That tin nhắn address (MSA) will contain the digital license. You can use the digital license for activation.

For more information about digital licenses and sản phẩm keys in Windows 10 & Windows 11, see the “Methods of Activation” section in Activate Windows.

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Volume Licensing agreement or MSDN subscription

Your hàng hóa key is available through the website portal for your program. For more information, see Volume Activation for Windows 10.

Locate your hàng hóa key for Windows 7 or Windows 8.1

A product 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 hàng hóa key, liên hệ the manufacturer. To ensure your hàng hóa 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 csmaritimo-online.com software, see the How to tell page.

Windows download và installation

For more Windows 11 tải về info, see Download Windows 11.

For more Windows 10 download info, see Download Windows 10.

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

Windows activation

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

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

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

If you"re reinstalling Windows 10 or Windows 11 due khổng lồ a motherboard problem or some other hardware issue, see Reactivating Windows after a hardware change. 

Other hàng hóa keys

If you"re looking for sản phẩm keys for Office, apps, games, và more, see Find your csmaritimo-online.com downloads và product keys



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