Please contact the person who invited you.
They will send you a registration link.
You click on this link and fill in the different fields (name, first name, username), email address, phone number, password.
Check "I accept the conditions".
Click on the "register" button.
A window will open: Verify your email address.
Go to your mailbox, a 6 digit code has been sent to you, copy it, paste it in the window that opened, validate.
You are registered !!!