First make a bot: https://discordapp.com/developers/applications/me
Then add bot to server: https://discordapp.com/oauth2/authorize?client_id=YOUR_CLIENT_ID&scope=bot&permissions=67584
create a auth.json file with the following info in it:
{
"token": "BOT-TOKEN",
"prefix": "om"
}
Install node.js
run node bot.js