The Windows 8 Official ISO images hosted on Microsoft’s servers are genuine and official versions, and the downloads from the server are totally free and definitely legal. Yes, there’s a catch: this is a trial version. You can download Windows 8 official ISO but it will work for 90 days, and it’s designed for hardware and software developers to test their products on.
If you’re interested in downloading Windows 7 – Click here.
Anyway, without a genuine and legally purchased product key, you can’t get Windows 8 activated, and as mentioned – Windows 8 will only run as evaluation copy for up to 90 days.
Links to download Windows 8 Official ISO (32bit & 64bit):
English x86: http://bit.ly/18xyfRC
English x64: http://bit.ly/13lk1nh
Chinese (simplified) x86: http://bit.ly/14vqDNs
Chinese (simplified) x64: http://bit.ly/17IiWWi
Chinese (Traditional) x86: http://bit.ly/1dKTGEV
Chinese (Traditional) x64: http://bit.ly/1ejXJXB
French x86: http://bit.ly/163bgiA
French x64: http://bit.ly/19nhGsK
German x86: http://bit.ly/SRXE0r
German x64: http://bit.ly/TIqBKU
Italian x86: http://bit.ly/13lkFRI
Italian x64: http://bit.ly/153bo1T
Japanese x86: http://bit.ly/153bIxu
Japanese x64: http://bit.ly/18xy60F
Korean x86: http://bit.ly/15HD08h
Korean x64: http://bit.ly/19nhM3H
Portuguese x86: http://bit.ly/1ejY9gB
Portuguese x64: http://bit.ly/17BEgKR
Spanish x86: http://bit.ly/18GE0LF
Spanish x64: http://bit.ly/18xybRX