Windows
Windows10 Insider Preview
https://insider.windows.com/https://insider.windows.com/
http://jhblog.tistory.com/328
윈도우 8.1 순정 ISO파일 다운로드(MS 정식지원툴 이용)
http://www.ppomppu.co.kr/zboard/view.php?id=etc_info&no=25903
http://windows.microsoft.com/en-us/windows-8/create-reset-refresh-media