This tutorial use Chrome browser to get the data
Tutorial made based in this video
1️⃣ Access discord.com and login to your account
2️⃣Press F12 to open the development tools
Select the Application tab
Under storage, select LOCAL STORAGE, and then select https://discord.com
After selecting https://discord.com, type token in the filter
Press Ctrl + Shift + M to toggle the device toolbar
Once you press, just copy the token and paste it in the .env file