The official Digital River links are dead, but the Internet Archive has thumbnails of the indexes. Go to web.archive.org and search for: http://download.microsoft.com/download/5/1/9/519C3717-0217-4F6E-80C2-7D0DC5F97C59/ Look for snapshots from 2015-2018. You may find the raw ISO still uploaded. (Note: Respect copyright – only proceed if you own a valid Win7 license key).
A directory listing is a web server function that reveals the contents of a directory in a simple, clickable list. index of windows 7 iso new