Here is a simple guide for u to get an account.
We are sorry that the owner of the site are not able to provide a English interface at the moment.
First click on the menu icon on the website
Then click on login/register
register now
key in the info as follows
lihkg only accept email with .edu domain
Soon after, u will have a confirmation email for verification, just click on the link in the email, then u shd have ur account ready.
Hope it helps, if u have done it feel free to reply down here
