How to Allow Unknown MIME Types in IIS 7In Feburary 2016 13,

In Feburary 2016 13,
Click 'Start' and type 'Internet Information Services.' Click 'Internet Information Services (IIS) Manager' from the result list.
Click 'Features' to change to the feature view, then double-click 'MIME Types.'
Click 'Add' in the 'Actions' section of the screen, located on the right-side panel.
Type '*!' as the file extension type. This wildcard represents all unknown files.
Type 'application/octet-stream' in the text box labeled 'MIME type.' This is a generic MIME type that will tell the browser to treat it as a binary file. In all major browsers, this corresponds to asking the user to save the file to their hard drive.
In Feburary 2016 13,