After you purchase lessons from teachers, you can then click 【book now】to schedule your lessons.You can join the classroom 10 minutes before the scheduled time.To begin: 1)  Click to download Zoom in iOS, Android first(Note: If you would like to know the installation instruction and system requirements, please refer to 'The First time to use Zoom')2) Click【Browse】function in the left bottom corner, it's also your homepage in App. You can schedule lessons by clicking【Book Now】and choose a time to send out the lesson request.After the lesson is scheduled successfully, it will display under the【Book Now】icon,3) 10 minutes before the class time, you can find【Enter the classroom】, please click it then click 【Go to Class】in the pop-up window, Zoom will be automatically launched. ( If you can't find Go to Class, you can restart the App to try again)4) You can simply choose 【Wifi or Cellular Data】to join the meeting room as the audio source.After the lesson is completed, please remember to check your App again and mark the lesson as completed, thank you very much!