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There are release versions of IE-7 available on archive.org wayback engine - if you know how to manipulate it to find stuff. Unfortunately the really simple language/OS selection page I found for IE-7 didn't work, but here are some more direct specific links that do work...
Windows Internet Explorer 7 for Windows XP x86 (English)https://web.archive.org/web/20140216125745/http://www.microsoft.com/en-us/download/confirmation.aspx?id=2
Windows Internet Explorer 7 for Windows Server 2003 SP1 or Windows Server 2003 SP2 (English)https://web.archive.org/web/20170624224642/http://www.microsoft.com/en-us/download/confirmation.aspx?id=24802
Windows Internet Explorer 7 for Windows Server 2003 IA64 (English)https://web.archive.org/web/20190815022653/https://www.microsoft.com/en-us/download/confirmation.aspx?id=18566
RELEASE NOTES (English)https://web.archive.org/web/20121231105845/http://msdn.microsoft.com/en-us/ie/aa740486.aspx