Anyone can apply for user access. Access and use will be a part of the subscription agreement. Academics get access for free.
Please go to the Register page for Workbench: https://share.hsforms.com/1HALaGfpuRgySAnivBK3whA3qajy
Enter you Email address and your personal Password in the correct fields. (Passwords must contain at least one uppercase letter and one number).
Press the Register button.
You will receive an email with a confirmation that has to be actioned before you get access.