How to install and configure burp suite and link up it with the browser ?
If you haven’t seen them already, these tutorials were pretty helpful: https://portswigger.net/burp/tutorials/
I’m more of a ZAP user myself, but I also find it quite frustrating at times. You really have to learn to work the way it wants you too - something I found true of Burp too. (Learning how to use contexts in ZAP properly was a huge time-saver)