The first option in the Settings screen is General.
Here you can make changes to your company name, billing email, and other settings
Company Name
The company name is what's shown everyone in the system, include outgoing emails.
Billing Email
This is the email you provided when signing up and at first is also your admin account email. But you can change it at any time. This email will get billing reminders 7 days before your next payment is due to be charged.
Allow users to submit tickets for someone else
This setting determines if users are allowed to submit tickets on behalf of other users. This will allow them to search for anyone in your system and assign the ticket to them instead.
Show KB article suggestions when users create new tickets
If enabled, KB articles will be suggested when users create new tickets. Suggestions will be based on keywords in their brief description compared to words in your KB articles
Global Questions
These questions are the same as the questions in categories, except any questions here will show up to ALL tickets regardless of their category.