Go to www.eyevestor.com and press join. Once joined you can setup an eyeventure, invest in public eyeventures and send requests to invest in semi-public eyeventures.
Individuals / Investor - everyone can open an account. You are not required to invest to open an account. Your account is simply created through the Sign-up process. You can do this through existing social media login or by creating your own account using your email. To invest you will need to have your account verified and complete a number of questions / provide certain account details. The info you need to provide will be clear as you setup your account.
Shareholder - Shareholders of eyeventures are sent email links to accept the account setup.
Eyeventure - From your individual account you can setup an eyeventure.