NVC stage you will get the welcome letter and it will give u instructions

after you've submitt everything that is requested from nvc and you're DQ then u will get schedule for your medical and your interview date

you will get notified your case was sent to department of state (nvc). then with 3 days - a week, u will get your welcome letter in your email😊 to pay fees after fees paid u can go ahead and fill out the affidavit of support and your ds-260 form, & upload supporting documents you will be given instructions on what they need😊 good luck