a - I am a new user and I register in the forum Facebook account must be open at the time or you have to connect :
Then at each login to the forum you will only have to click on the button to connect to the Facebook account :
b- I am a old user, and want to connect to my Facebook account It's simple, you have to link your Facebook account with your account already created in the forum.
Connect in the forum> Profile> Preferences> Connect my Facebook account
Connect to your Facebook account.
From this point, your forum account and Facebook account are linked.
c - Invite friends:All forum members (staff or users) can invite Facebook contacts to participate in the forum.
Go to Forum> profile> Facebook invites
You see a page with a list of your friends.
Select the contacts you want to invite to join the forum (up to 26 at once) :
Clicking the invitation received on Facebook takes you to your forum so you can register!