In recent days,I'm trying to research about the mod.However there is a serious problem when I was researching or studying some mod on nexus.I noticed even I had typed a bunch of proper coding in ordinary text document.When I put it on the game ,it still did not working in the game！

Now,I'm very distressed cuz I have a lot of inspiration (about making my own mod) waiting for me to exert but I unexpectedly failed at the first step🤬🤬🤬
So how to open Microsoft Edge HTML Document？Are there any easy and straightforward channel to open use and edit coding in Microsoft Edge HTML Document？