Instead of manually going into the application system and changing the token yourself (which is now patched), it automatically takes a inserted token and changes the document for you!
Copy the test in exploit.txt, and where it says "token-here", paste your victim's token. Now head over to discord.com on your preferred browser (works best on Chrome or Firefox). With F12 or CTRL+SHIFT+I, open your browser's developer tools. Head over to the "Console" tab of the developer tools, and paste the code into there. (Do keep in mind you may have to type "allow pasting") Now let the page refresh all it needs to (it should automatically), and then press "Open" in the top right. There ya go! You are now inside of your victim's Discord account! :D