You only need to do this once. Screenshots were taken on a mobile phone but desktop users can follow the same instructions on a computer. Also, your email account must already be set up. You'll need to know: your email address, your username, and your password.
1. Go to CornerstoneGuide.com and tap on NEW Lua
Alternatively, you can go directly to the new user creation webpage here: https://getlua.com/signin?sso=true&organization_id=373