Step 1:
Click on the 'Sign Up' button at the top left of the main Battlestats.com page.

Step 2:
Read the rules and things like that if you'd like, otherwise just scroll down to the bottom of the page and click 'I Agree'.

Step 3:
Enter your information on the page that follows, it will ask for a callsign, private email (can't be hotmail or yahoo), public email (can be anything), and a password. The ICQ UIN is optional.

Step 4:
On the next page enter either 52 in the Name/ID text box or LSF in the Initials text box and click 'Find Club'

Step 5:
When the next page comes up showing one club in the list (this should be LSF, if not go back and try again), click on the radio button to select it and click 'Join Club'.

Step 6:
At this point you should be almost finished, a confirmation number should be emailed to you within 10 minutes, when you recieve it click on the second link that they give you and the confirmation process will be done automatically.