<A target="_blank" href="http://www.eweek.com/c/a/Windows/Microsoft-Revamps-Free-Windows-7-Download-Tool-Bowing-to-Open-Source-670739/">The Windows 7 USB/DVD Download Tool is a free program</A> that was offered through the Microsoft Store until questions were raised over the improper use of open-source code. The code has been altered and the tool is again available.