This is directly from The email:
We are ready to begin final processing of your immigrant visa application. To schedule an appointment for your visa interview, please visit the following website: https://ais.usvisa-info.com/en-il/iv. Once you select an appointment date, please print the appointment letter and bring it with you on the day of your visa interview. You may also schedule an appointment for your immigrant visa interview by calling the call center at -+972 23741221.