How to tell if your Windows 10 license type is OEM, Retail, or Volume
You can quickly and easily check the type of Windows 10 license installed on your device. Here's how.

Microsoft offers Windows 10 licenses in many channels governed by different rules, but for most users, you can only acquire a license through the Retail or Original Equipment Manufacturer (OEM) channel.
An OEM license refers to the license that a manufacturer installs on new devices. If this is your case, the product key isn't transferable, and you can't use it to activate another installation. (Unless you're re-activating a new installation on the same computer.)
A Retail license refers to the license that you acquire when purchasing a copy of Windows 10 from your local store or an online retailer (such as from Microsoft (opens in new tab) or Amazon (opens in new tab)). If you have a Windows 10 Retail license, you can transfer the product key to another computer, as long as you deactivate the old device.
A Volume license is designed for a large business, education, and government scenario. Usually, a Volume license allows organizations to use one master product key to activate any installation of Windows 10. Although you can use this license multiple times on different computers, you can't transfer it with the device when the system changes ownership, and you're not allowed to activate devices that aren't part of the organization.
If you're thinking of reusing the same product key on another computer, or you're just wondering the type of license installed on your device, you can use the Windows Server License Manager Script (slmgr) command tool to find out.
In this Windows 10 guide, we detail the steps required to find out if the license installed on your device is OEM, Retail, or Volume.
How to check product key type installed on Windows 10
To find out whether your Windows 10 license is OEM, Retail, or Volume, use these steps:
- Open Start.
- Search for Command Prompt, right-click the top result, and select the Run as administrator option.
- Type the following command to determine the license type and press Enter:
slmgr /dli
Quick tip: You can also use the same command syntax in PowerShell.
- Confirm the license type with the information available in the Windows Script Host dialog.
Once you complete these steps, you'll know the type of product key that you're using on Windows 10, which will also determine if you can transfer the license to another computer.
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Mauro Huculak is technical writer for WindowsCentral.com. His primary focus is to write comprehensive how-tos to help users get the most out of Windows 10 and its many related technologies. He has an IT background with professional certifications from Microsoft, Cisco, and CompTIA, and he's a recognized member of the Microsoft MVP community.
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Curious. My device has the same partial product key as the device in the screenshot. Do all Surface devices have the same License key stored in their UEFI?
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mine is the same as well, I assume that is the key representing the Windows 10 Professional product.
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It means my w10 Pro key is retail one. I've a sticker of that key!