Currently working out a build system for a windows application. Found this was helpful when trying to figure out which dlls where being used by some dlls created a long time ago. Dependency Walker (depends.exe) Home Page. Shows the dependency hierarchy of the dll or exe.
Looking for ISOs for Windows. Used the Windows 7 x64 Professional without a problem. http://www.heidoc.net/joomla/technology-science/microsoft/14-windows-7-direct-download-links