How To Fix Windows 10 Activation Error Code 0xC004c003



This tutorial will walk you through the steps of how to resolve the following error alert:

“This product key doesn’t work. You might need to get in touch with the store or company you bought Windows from, or you can buy a new key from Microsoft.

When upgrading to Windows 10, you might see a message that says “This product key didn’t work. (Error code: 0xC004C003).”

This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba,Lenovo, and Samsung).

A lot of Windows users have been getting error code 0xc004c003 after upgrading to Windows 10 or doing a fresh install. This error is related to the Windows activation process and can happen for a different number of reasons, each with its own fix.

In this tutorial we will go over each reason you might get error code 0xc004c003 when trying to activate Windows 10 on your machine and how to fix it, so without further ado let’s get started.

This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba,Lenovo, and Samsung).

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