Code: Windows Activation An error has occurred You can also contact Microsoft by phone to help resolve this problem. Code: 0xC004F069 Description: The Software Licensing Service reported that the product SKU is not found.
Make sure the edition of Windows 8.1 installed on your computer accordance with upgrade key you have. ===== For Windows 8 Pro Retail U can Install Windows 8.1 directly with the generic product key. Once Windows 8.1 is installed you may go to system properties and change product key. Input your actual Windows 8.0 product key and it will activate. or from command prompt, type slmgr /upk slmgr /ipk (your win 8 Key) slmgr /ato Backup your system before test!