The Software Licensing Service determined that the specified Key Management Service (KMS) cannot be used. What causes Windows Activation Error 0xC004F015? There can ...

Windows causes numerous errors especially when you upgrade it, and one of the most found errors posted by several users is the Windows Activation error 0xc004f063 ...

Struggling with a Windows 11 product key not working? Discover step-by-step troubleshooting tips to activate your OS quickly ...