So there is another thread that you should really follow for all of that info. This thread is for December 2022 filers still waiting for their NOA2, most of them won't have the answers for you.
I suggest you go find the thread NOVEMBER 2023 K1 to NOA2 to NVC to EMBASSY and ask all of those questions there. This will help you a lot! And secondly, try to find a thread for your country's embassy, they can help you with specific things to do once your case becomes READY.