Paywitty has made it easy to Signup from any page you are on the Paywitty website and you aren't logged in. You navigate to Log in Register button on the top right corner.  

A new page will be loaded, click on Sign up and pick the option of I’m a Buyer. Fill in the username you wish to use, and your email address then click Sign up to complete. 

You would be taken to your dashboard where you can continue your activities. Your password will be sent to your email address to complete Signup.