OPIO is linked directly to your Google or Facebook account, allowing users to instantly access your OPIO page without having to input or memorize a password. Just click the 'Sign In' with Google or Facebook button and follow the prompts.
If you do not have a Google or Facebook account, you can click the 'Sign In/ Sign Up with Email' and use your personal email to join OPIO. You will then receive an email with a verification code that you must enter to access OPIO. For more details, check out the "I Don't Have a Google or Facebook Account" FAQ.