After registration, you must upload some source codes or pay in order, to active your account and download the files

Uploading member: After registration, you should [upload] more than five source codes or program documents, then your account will be activated after the codes been checked by administrator. [See GuestBook]
VIP member: Or you can pay 35USD/month or 200USD/year(365 days) to become a VIP member to download the files. [How to pay] [See VIP GuestBook]