maybe yes, but what can br wrong? update running a;; day and nothing get strange I format all hdd and nothing damn

I download on official web page but strange are after again install 8,1 its installed normal but windows wont update grr

I get windows 10 iso file from ms web page

hi there again, sorry me English I have question I installed last build windows 10 insider testing some days andgo back again in windows 8,1 I instal 8,1 clean I mean with dvd deleit os instal new...