Install https://www.npmjs.com/get-npm
Download visual studio code and install it: https://code.visualstudio.com/
Taken from here https://www.botkit.ai/docs/v4/
npm install -g yo generator-botkit yo botkit
(Not sure if needed: npm install --save botbuilder-adapter-webex. I think the generator creates it already)
You can now open the folder with your installed IDE
https://developer.webex.com/docs/bots Note down the token when you create the bot
Register on https://ngrok.com/ and Download the tool
Your service runs usually on 3000 start ngrok via ngrok http 3000
NG rok will give ypu a public address on the fly. Use this address and adapt
PUBLIC_ADDRESS=https://56576456564e.ngrok.io and TOKEN to the token from the generated bot
start you bot via npm start & search for your bot challenge.txt challenge.txt wird angezeigt.