The first time you open a ticket, you will automatically be created an account with the help desk. You need to check your email for information about the account and click on the link available inside to set your password for the first time. You can activate your account by using the link and logging into your help desk.
You could also automatically sign up for an account by submitting a ticket with the online support portal. This can be done in different ways. You will get an activation email whenever you reach out to the support team for the first time.
Quick guide to creating a support account from the portal
Open up the support portal (http://clearmark.freshdesk.com)
Click on the sign up link at the top right corner of the page
Enter your Full Name and Email Address
Fill in the captcha for verification
Click on the Save button
Check your inbox for the activation email with instructions.