No, there's no separate "sign up" process.
Just log in here for the first time, and an account will be created for you!
Your work email is preferred unless you have trouble accessing it remotely.
Ultimately, you should use a stable email that you can access from anywhere.
it doesn't need to be the same email you used to register for a course.
This helps us prevent some bad behavior from robots.
Thank you for your cooperation, human!