There are two ways for users to get free credits for free, extremely by clicking and watching ads from BCC partners, or internally simply by registering an account or being available in the chat room itself.

Enable Earn Credits at the 3rd-Party
Users may earn credits by clicking ads, watching video, competing questionnaire and so on(offered by BCC partners).

Enable credits rewards within the chat
Credits rewards functions won't be activated unless the virtual gifts or the PPM/PPV is enabled first.

The bonus credits received
The bonus credits of a user earned upon his/her registration.

The credits earned per minute
The credits earned per minute from being online, except being away, busy or idle, which is also available to guest.