Bots run on a server with set of logic defined by software code, those logic defined respond to bot user based on updates telegram send to it Example process of a typical bot: 1. user types /start command 2. Telegram sends update to your server, and the logic defined for that command will respond with certain types of message the bot user can see This is high level explanation of how bots work As for the paid course, i dont think its possible since the content is locked behind a paywall