Where does Century Higher Education enter the serial number of the card number?

Home page. According to relevant data, Century Higher Education is a learning and education software, which includes all the English and political books for postgraduate entrance examination, including the audio and video attached to the books and the knowledge introduction of word version. At the same time, the software requires users to enter the card number and serial number on the home page to watch related materials, and they cannot watch related materials and videos without entering the card number and serial number.