How to log in and use "China HowNet" outside the campus of Zhengzhou University?

China HowNet can log in anywhere, but if you want to download the papers of HowNet for free, you must download them in colleges and universities, because many colleges and universities pay China HowNet every year, giving students and teachers the opportunity to download papers for free, so that they have more opportunities to contact with new knowledge and new papers. Therefore, if you want to download the papers of HowNet for free, you'd better ask your classmates to help you download them and send them to you, so that you can download the papers you need smoothly on China HowNet.