There's plenty of software out there that will allow you to bind keyboard/mouse imputs to a controller. https://xpadder.com/ is one i've used previously and is also free. Here's another I've heard about but not used personally http://pinnaclegameprofiler.com/
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https://xpadder.com/ is one i've used previously and is also free.
Here's another I've heard about but not used personally http://pinnaclegameprofiler.com/
i can't find the video tho, but they probably did as gdog said, used a software for it to work.