GMS 2 How to use a TextBox Enging/Engines in general?

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Ixiplli

Guest
Hey, I'm super new to game maker and I found a textbox engine (https://github.com/glitchroy/textboxy | Textboxy) that I want to use for my game. I have no Idea how to use it in my project though. Do I have to drag all the files into my project somehow?
 
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Ixiplli

Guest
UPDATE: After attempting to use File then Import Project to import the engine, it just opened up its own separate project window.
 
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