[Solved] Unable to activate Windows, error 0xc0ea000a

When you are trying to activate Windows 11 , you might get this error:

Unable to activate Windows 
It looks like the hardware on this device has changed. Make sure you're connected to the Internet and try again later. (0xc0ea000a)

Here is instruction how to solve the the error 0xc0ea000a

1. Open Powershell /command prompt as administrator

2. Enter the following command one by one 

slmgr -ipk <Your product key here>

slmgr -ato

For example:

slmgr -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

slmgr -ato

If you need a Windows 11 Product key, you can get it from the Microsoft partner store keyingo.com