Contact Support
Contact our support team by email, and we will reply within 8 business hours or less. Our working hours are Monday-Friday 9am-5:30pm CST, except for US holidays. We do not have phone support.
You can contact us directly at help@topazlabs.com or use the floating "Support" bubble you'll find on our site.
Example:

When you click here, a window will expand with a button to send us an email. Add your subject, email, and message, and if any attachments are needed, click on the picture icon to add.

Troubleshooting
If you are reaching out to us for troubleshooting, please take a look at our Basic Troubleshooting Docs for for first. steps and to see if any attachments, like system profile, logs, screenshots, etc, are requested to investigate your conflict.