What program should be used to analyze the http traffic of a desktop application?

Question

Traffic analysis

There is a program that is essentially a desktop application. You need to find out exactly what requests it sends to the network, what it accepts. Please advise the most suitable program for this.
And immediately in addition to this, another noob question: if everything is in https, then I will not be able to read either the body or the request header?

Answer 1

wireshark
https can be decrypted, then you need to do something with certificates, I won’t say for sure, respectively, there must be access to the machine on which the application is running.