win7 ed2k://|file|cn_windows_7_enterprise_x64_dvd_x15-70741.iso|3203516416|876DCF115C2EE28D74B178BE1A84AB3B|/

win8.1 ed2k://|file|cn_windows_8.1_with_update_x64_dvd_6051473.iso|4504475648|D66BEF759548656EDA981D902A957545|/

win10 https://www.microsoft.com/zh-cn/software-download/windows10

win11 https://www.microsoft.com/en-us/software-download/windows11