Step 1: log onto the forum (must be Level 1 = Basic) using your usual web browser
Step 2: go here https://invite.maidsafe.net/ and click on the icon
Step 3: select Alpha 2
Step 4: select update IP (if the two IP addresses shown are identical you can skip this step)
Step 5: click on the clipboard icon to copy the invite code
Step 6: start SAFE Broswer and follow the steps to create an account. When asked, paste in the invite code
Doesn’t have to be in that order necessarily, but that should work.