We send out codes once a week, usually on Monday, so if you've been waiting less than a week, please be patient a little longer.
If you've been waiting more than a week, there are two likely problems: either we tried to send you an invite code, but you didn't receive the email; or your answers to the questions in the form caused concern for us - either they made you look like a spambot, or you said that you don't plan to use SFS for uploading sims-related content.
Either way, please feel free to contact us
to find out what the problem was. Remember to include the username and email address you used when filling in the form, so we can find your details.