Microsoft has officially retired the traditional phone-based activation system for Windows (and MS Office) that served as a ...
The Software Licensing Service reported that the license could not be found or was invalid. The error code usually means that the user entered the wrong license key ...
If you have installed or upgraded Windows, and it results in Activation Error 0xC004F211 or 0xC004F213, then it means, that some hardware on your Windows 11/10 ...
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