Enable Hidden Files, go to your user's folder which is located in AppData folder now click on AppData Properties, uncheck "Hidden", and click OK.

Windows 10 Free Upgrade Offer is valid for qualified Windows 7 and Windows 8.1 devices,
including devices you already own.

Delete Windows old file first, desk will be cleaned automatically

I think you should upgrade Windows 10 properly First as Microsoft Rules

yes I also face this problem

Cortana is available only these country United States, United Kingdom, China, France, Italy, Germany, and Spain. Cortana is not working in satisfactory way

Cortana has Good and Both impact on PC, for me its not satisfectory

Windows 10 Xbox is more than my expectation, really awesome

Cortana is only currently available on Windows 10 for the United States, United Kingdom, China, France, Italy, Germany, and Spain.

Windows 10 is really tremendous, I like it

Different gaming experience of Windows 10 for Xbox